1881.] THE SURVEY OF H.M.S. 'alert. 63 



Systematic List of the Species^, 

 Decapoda. 



1. Eurypodhis latreillci, Guerin. Sandy Poiufc, Puerto Bueuo, Trinidad 

 Channel. 

 *2. Inachoides microrhynchus, M.-Edw. and Lucas. Coquimbo. 



3. Epialfiis cleniatm, M.-Edvrards. Trinidad Channel. 



*4. marginatum. Bell. Talcahuano. 



*5. Piigettia, sp. South Atlantic. 



6. Pisoides cdwardsit (Bell). Puerto Eosario, Trinidad Channel. 



7. Cancer plebejtis, Pceppig. Picton Channel, Talcahuauo. 

 *8. edwardsii, Bell. Talcahuano. 



9. , Tar. an7udipcs, n. Trinidad Channel. 



*10. Paraxanfhus kirtipcs, M.-Edw. and Lucas. Talcahuauo. 

 *11. Actaa nifo-punctafa (M.-Edw.). Hotspur Bank. S. Atlantic. 



12. Platyonychus biptistidatiis, M.-Edw. Trinidad Channel. 



13. Peltarion spinulosum, White. Sandy Point, Cockle Cove, Puerto Bueno. 



14. Gomcza scrrata, Dana. Elizabeth Island, Trinidad Channel, Puerto 



Rosario. 



15. Acanthocyclus guyi, M.-Edw. and Lucas. Isthmus Bay. 



*16. Leptograpsus varicgattts (Fabr.). St. -Ambrose Island, S. Pacific. 

 *17. Chasmogmdhus grumdatus, Dana. Monte Video, Eat Island. 

 *18. Sesarma angustipes, Dana, ? Monte Video, Eat Island. 

 19. Halicarciniis planatus (Fabr.). Elizabeth Island, Cockle Cove, Sandy 

 Point, Trinidad Channel. 

 *20. Pinnixa transversalis, M.-Edw. and Lucas. Coquimbo. 

 *21. Hepatus chUieiisis, M.-Edw. Coquimbo. 

 *22. Platymera gandichaudii , M.-Edw. Coquimbo. 



23. LitJwdcs antarctictis, Jacq. and Lucas. Puerto Bueno, Alert Bay, Trinidad 



Channel, Neesham Cove. 



24. Paralomis vari(cosus (Dana). Puerto Bueno. Trinidad Channel. 



25. Eupagurus conqih'.s, White. Sandy Point, Cockle Cove, Puerto Bueno, 



Puerto Eosario, Portland Bay. 

 2(i. Munida gregaria (Fabr.). Sandy Point, Cockle Cove, Trinidad Channel. 

 *27. Callianassa uncinata. Talcahuano. 



28. Alpkeiis scabrodigitus (Dana). Portland Bay, Borja Bay, Trinidad 



Channel. 



29. , sp. Portland Bay. 



30. Pandalus paucidens. Tom Bay, Trinidad Channel. 



The imique example, which is, I believe, a male and adult, was dredged at 

 Madeira, in 15-50 fathoms. 



This species is distinguished from Glatwothoc peronii, M. -Edwards, by the 

 existence of a distinct rostriform process, the less-pyriform eyes, the equal cheli- 

 pedes, &c. G. peronii probably inhabited the Asiatic seas. 



ScYLLAUVS AECTUS. 



Cancer arctus, Linn. Svst. Nat. p. 1053 (176(5). 



Scyllarm arctus, Fabr.' Ent. Syst. Suppl. p. 398 (1798) ; M.-Edwards, Hist. 

 Nat. Cr. ii. p. 282 (1837) ; White, List Brit. Cr. Brit. Mub. p. 30 (1850) ; uhi 

 synon. 



Cancer ttrsus minor, Herbst, Nat. Krabben, ii. p. 83, pi. xxx. fig. 2 (1790). 



Arctus ursus, Dana, Cr. U.S. Expl. Exp. xiii. p. 510 (1852). 



A specimen which I believe to be a very young example of this species was 

 dredged in the same locality as the Glaucothoe rostreda (i. c. at Madeira, in 15- 

 50 fathoms). The teeth of the median dorsal series are nearly obsolete, and 

 those of the anterior margin of the terminal antennaljointare blunt ; otherwise 

 this example resembles the adult .S'. arctus. Length barely J inch. 



' The species collected by Dr. Coppinger only at localities north of Patagonia 

 are distinguished by an asterisk. 



