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PART 1 GARTH : PACIFIC OXYRHYNCHA 167
Type: Male holotype, length 15.7 mm, width 13.5 mm; not in
Geneva Museum, as ascertained by correspondence with the director.
Type locality: Mazatlan, Mexico; E. Verreaux, collector.
Localities subsequently reported, with collectors: Mexico: Lower
California: L. Diguet, Albatross (Rathbun, 1925); Magdalena Bay,
C. R. Orcutt, Hassler (Rathbun, 1925), Zaca (Crane). Gulf of California, Mexico: Off Cape Tepopa, 45 fathoms, Albatross (Rathbun,
1892, type of Othonia nicholsi) ; off San Francisco [Island?] (Gulf of
California?) (Rathbun, 1925, of specimens in British Museum) ; Los
Angeles Bay, Mulege Bay, Port [Puerto] Escondido, San Jose Island,
and La Paz. W. J. Fisher (Lockington, as Micippa ovata) ; San Jose
Island, California Academy of Sciences (Rathbun, 1924c) ; El Mogote,
Steinbeck and Ricketts (Steinbeck and Ricketts) ; Gulf of California,
southern part, 10 fathoms, Albatross (Rathbun, 1898). Nicaragua:
Realejo [Corinto], Oersted (Rathbun, 1925). Panama: Taboga Island,
St. George (Finnegan) ; Saboga Island, Perlas Islands, Mrs. S. D.
Sturgis (Boone, as Pitho quinquedentata).
Atlantic analogue: Pitho aculeata (Gibbes).
Diagnosis: Carapace roughly granulate and strongly tuberculate.
Five lateral teeth, the second and third united at base, the second and
fifth reduced in size. Cheliped of adult male scarcely longer than first
walking leg. First free antennal segment very broad. Male first pleopods
distally lyre-shaped.
Description: Male: Carapace ovoid, longer than broad, its anterior
margin between the external angles of the orbits very wide. Rostrum very
short, notched, orbits advanced, forming a projecting angle pointing upwards, notched at their middle above, the notch placed between two
triangular spines; a fissure running from the bottom of the notch. Lateral
margins of the carapace armed with five spines; the first remote from the
external angle of the orbit, the second and third close to each other.
Regions of the test very well marked; a furrow at the middle of the
anterior part of the carapace; the latter smooth, bearing several tubercles
at the summit of its bosses, one placed in front of, another on the hepatic
region, two side by side behind the first ones, then three arranged in a
triangle on the anterior part of the intestinal [cardiac?] region, one
on each side, at the internal angle of the branchial regions; finally
several others, very small and dispersed. Inferior margin of the carapace
flanged, and near its posterior portion a denticulate transverse line. First
article of the external antennae much broadened, bearing an outgrowth
at its external angle. Epimeral plates punctate.
Object Description
Description
| Title | AHF-PUB-PE-21-01~179 |
| Format (imt) | image/tiff |
| Contributing entity | University of Southern California |
| Filename | AHF-PUB-PE-21-01~179.tiff |
| Full text | PART 1 GARTH : PACIFIC OXYRHYNCHA 167 Type: Male holotype, length 15.7 mm, width 13.5 mm; not in Geneva Museum, as ascertained by correspondence with the director. Type locality: Mazatlan, Mexico; E. Verreaux, collector. Localities subsequently reported, with collectors: Mexico: Lower California: L. Diguet, Albatross (Rathbun, 1925); Magdalena Bay, C. R. Orcutt, Hassler (Rathbun, 1925), Zaca (Crane). Gulf of California, Mexico: Off Cape Tepopa, 45 fathoms, Albatross (Rathbun, 1892, type of Othonia nicholsi) ; off San Francisco [Island?] (Gulf of California?) (Rathbun, 1925, of specimens in British Museum) ; Los Angeles Bay, Mulege Bay, Port [Puerto] Escondido, San Jose Island, and La Paz. W. J. Fisher (Lockington, as Micippa ovata) ; San Jose Island, California Academy of Sciences (Rathbun, 1924c) ; El Mogote, Steinbeck and Ricketts (Steinbeck and Ricketts) ; Gulf of California, southern part, 10 fathoms, Albatross (Rathbun, 1898). Nicaragua: Realejo [Corinto], Oersted (Rathbun, 1925). Panama: Taboga Island, St. George (Finnegan) ; Saboga Island, Perlas Islands, Mrs. S. D. Sturgis (Boone, as Pitho quinquedentata). Atlantic analogue: Pitho aculeata (Gibbes). Diagnosis: Carapace roughly granulate and strongly tuberculate. Five lateral teeth, the second and third united at base, the second and fifth reduced in size. Cheliped of adult male scarcely longer than first walking leg. First free antennal segment very broad. Male first pleopods distally lyre-shaped. Description: Male: Carapace ovoid, longer than broad, its anterior margin between the external angles of the orbits very wide. Rostrum very short, notched, orbits advanced, forming a projecting angle pointing upwards, notched at their middle above, the notch placed between two triangular spines; a fissure running from the bottom of the notch. Lateral margins of the carapace armed with five spines; the first remote from the external angle of the orbit, the second and third close to each other. Regions of the test very well marked; a furrow at the middle of the anterior part of the carapace; the latter smooth, bearing several tubercles at the summit of its bosses, one placed in front of, another on the hepatic region, two side by side behind the first ones, then three arranged in a triangle on the anterior part of the intestinal [cardiac?] region, one on each side, at the internal angle of the branchial regions; finally several others, very small and dispersed. Inferior margin of the carapace flanged, and near its posterior portion a denticulate transverse line. First article of the external antennae much broadened, bearing an outgrowth at its external angle. Epimeral plates punctate. |
| Archival file | hancockunpub_Volume32/AHF-PUB-PE-21-01~179.tiff |
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