PROCEEDIXGS OF THE NATIONAL MUSEUM. 



57 



ARACHNOPSIS FILIPEvS, St imp son. 



Ardchiiopais Jil'qies, Stimpson, Bull. Mns. Coinp. Zool., ii, p. 121. 1870. — A. Milxe- 

 Kdwauds, oj). cit., p. ISl, jil. xxxili, li;;-. 1, 1S79. 



Localities. 



.Straits of Florida and Cinlf of jNIexiro; T. S. Fish Coniniission steamer Alh(itross,as 

 follows: 



Lat. X. Long. "W. 



24 26 00 

 24 25 45 

 24 25 45 

 29 18 15 

 28 45 00 



81 48 15 

 81 46 45 

 81 40 00 

 85 32 00 

 85 02 00 



Fathoms, 



Temp, 



Iiottom. 



Date. 



' Materials. 



I I 



; ! 1885. 



Co I Jan . 15 



j Co i Jan. 15 



Co ! Jim. 15 



crs. gy. S. brk. Sli , Feb. 7 



gy. S.brk. Co j Mar. 15 



APOCREMNrS SEPTEMSPINOSUS, A. Milne-Edwards. 



Apon-cm»i(>f seplcmsi^inoxiis, A. Mii.nk-Edwards, op. <H., p. 185, pi. xxx\', fii^. 5, 

 1879. 



In tbe female the fingers are in coutaet tlironghont their length. The 

 abdomen has a prominent median carina; the lateral portion is irregn- 

 larly dotted with ronnd pits, some of whicli tonch each other; the ter- 

 minal ])ortion i.s tnbercnlous. 



Localities. 



(iulf of Mcxifo; V. S. Fish Commissiou steamer Albatross, as follows: 



IXACHOIDES INTERMEDII^S, new species. 



Carapace entirely smooth above, i^unetate, regions well marked, car- 

 diac, branchial, and gastric regions protnberant. Jlostrnm tipped with 

 a spine, somewhat longer than in /. obtusus; base triangnlar, thick, with 

 two ridges from which the sides are inclined downward, much as in I. 

 ohftixHS. The postorbital tooth is very small. There is a tubercle on 

 the margin of the hepatic region, and one also on the pterygostomiaii 

 and the subbrauchial region. Surface of abdomen of female smooth, 

 punctate, with a median carina. Basal antennal joint unarmed except 

 for a blunt tooth at the antero-external angle. Merus of nmxillipeds 

 deeply notched at the inner angle ; inner lobe triangular, obtuse. Cheli- 

 peds in the female a little longer than the carapace. Merus somewhat 

 angled, with a shallow tooth below near the carpal end. Manus 

 swollen, unarmed. Fingers as long as palm, widely gaping. The first 

 ambulatory leg is missing; the remaining legs decrease regularly in 

 length; dactyli almost straight. 



