MACROPHTHALMUS CARINIMANUS. 69 



spatulate and the lateral margins of the carapace are less 

 arched , but straight and directed very obliquely back- 

 ward. I think therefore this specimen to belong to 

 another species. 



As has been remarked already _by Mr. Hoffmann (1. c.) ,• 

 Gelasimus arcuatus de Haan is quite another species than 

 that which has been described by Hilgendorf and himself 

 under the name of Gelas. Dussumieri Edw. 



Gelasimus annulipes M. Edw. 



Milne Edwards, 1. c. pag. 149. PI. IV, fig. 15. 



We have received specimens of this species from Java , 

 Amboina, Makassar and New-Guinea and from the Island 

 of Nossi-Be ; it is recorded from the whole Indo-Pacific 

 Region by Mr. Mieis (Zoology of Rodriguez , Crustacea, 

 pag. 4). This species may be distinguished from Lhe closely 

 allied Gelas. lacteus de Haan by the shape of the carapace : 

 the external orbital angle being directed straightly forward 

 in this species , but ohliquely outward in Gelas. annulipes ; 

 the distal extremity of the index being arched and with- 

 out a tooth in Gelas. lacteus , but always provided with 

 a tooth in Gelas. annulipes. Gelas. lacteus de Haan has 

 been found in Japan and China, the Museum containing 

 many beautiful specimens from Amoy. 



Macrophthalmus carinimanus Latr. 



Milne Edwards, 1. c. pag. 156. Nee: Macrophth.brevis 

 Herbst. 



The collection contains 6 specimens , collected in the 

 seas of the island of Celebes. This species is quite diiffe- 

 rent from Macrophth. hrevls Herbst, but is closely allied 

 to Macrophth. dilatatus de Haau. It may be distinguished 

 from this Japanese species by the following characteristics: 

 the carapace is proportionally somewhat broader and short- 

 er , though its upper surface presents almost the same 



Notes from tlie Leyden ÜMiisetim, "Vol. 11. 



