Boone, Crustacea, Cruise of "Alva," 1931 87 



terior margin is rounded on either end and thence slightly concave 

 in the median region. Immediately anterior to this, between the 

 second pair of legs, there is a transverse carina, the anterior mar- 

 gin of which is produced into a submedian pair of large rounded 

 lobes, separated by a median concave area. (See PI. 21, fig. B.) 

 References: Parapenaeopsis gracillimu^, Nobili, G., Boll. Mus. 



Zool. et Anat. Compar. Torino, t. XVIII, 1903, no. 447, p. 4, 



fig. 1. 

 Parapenaeopsis dofleini, Balss, H., Zool. Anz., Bd. XLII, no. 5, 



1913, p. 234. 

 Parapenaeopsis gracillima, BALSS, H., Ostasiatische Decapoden II, 



Munchen, 1914, p. 12, figs. 5 and 6. — DE Man, J. G., Archiv. 



f. Naturg. Ges., Bd. XCI, heft 1-3, 1924, p. 19. 



Genus: PENEUS Fabricius 

 Peneus monodon Fabricius 



Plate 22 



Type : Fabricius' type came from the Indian Ocean. 



Distribution : This species is found from the Red Sea east- 

 ward to India, the Philippines and New Guinea, northward to 

 Japan and southward as far as Port Elizabeth, South Africa. It 

 has been reliably reported from the following places : Red Sea 

 (Nobili) ; Suez (Alcock) ; Dar-es-Salaam, Upanga Riff, Mtoni 

 (Ortmann) ; Mauritius (Miers) ; coasts of India (several early 

 writers, H. M. Edwards) ; India, Bombay, Madras, Ganjam, "very 

 common on the south Indian coasts and the chief edible species" 

 (Henderson) ; India, Orissa, Ganjam, Gulf of Martaban, off 

 Pulicat, Madras, Pondichery (Alcock) ; Ceylon, Nicobars (Hel- 

 ler) ; China (Stimpson) ; Japan, numerous localities (Kishi- 

 nouye) ; Sagami Bay (Doflein, Thallwitz) ; Tokio, Wakanoura 

 Kii, Nagasaki, Hizen (Rathbun) ; Singapore (Dana, Nobili) ; Java 

 (Heller) ; Sumbawa Island, Dutch East Indies (Boone) ; Borneo 

 (Stebbing) ; off Panay, Philippine Islands; "Challenger," Station 

 188, South of New Guinea (Bate) ; Thursday Island (Ortmann) ; 

 'Australia: Sydney, New Castle. Port Darwin, Port Jackson (Has- 

 well) ; Shark Bay, Australia (Miers). 



Material examined : One large specimen, taken at Bima Vil- 

 lage, Sumbawa, Dutch East Indies, October 23, 1931. 



