1894. PROCEEDINGS OF THE NATIONAL MUSEUM. 513 



corneal region, SO that the eye as a wliole has a triangular ontline. 

 The oi)hthalmic segment bears a truncated process at the base of each 

 eye. 



The antemiiB of the first pair are long, equaling about half the 

 length of the body. Tlie marginal spines of the iirst body segment are 

 acuminate. The second antennie are about two-fifths as long as the 

 first. The antennary scales of this specimen have been lost. The 

 raptorial claw when folded does not reach to the posterior margin of 

 the carapace. The carpus has no spines. The dactylus is short and 

 its outer margin has a simi)le curve broken only near the articulatiou 

 by a small tubercle. It bears four slender teeth, of which the proximal 

 one is much smaller than the others. The appendages of the walking 

 legs arc linear. 



Color. — The alcoholic specimen is marked by a few dark pigment 

 cells arranged symmetrically on the carapace and hind body. 



/S'iec.— Total length, 22 mm. 



LocaUiy. — The tyi)e specimen was taken by the Allxifro.s.s in 188G, 

 with a trawl at a depth of 20 fathoms, in K. Lat. 26° 5' U" and W. 

 Long. S(>o 15' 0", oft' Key Largo, Fla. ; bottom, coral sand. (¥o. 11547, 

 LI.S.F.M.) 



Eemarl.s. — It is with considerable hesitation tlmt I found a new spe- 

 cies upon this single specimen, which very closely resembles the next 

 species, S. poUta. I should have placed it in that si^ecies if I had not 

 been able to compare it directly with a specimen of the same size. 



iSuch a comparison showed that in this vS])ecies the eyes are smaller 

 and the thoracic segments much wider, and there is an entire absence 

 of the keel on the telson which the other i)ossesses. 



SQUILLA rOLITA, ]5 i <; e I o av . 

 SqiiiUa poJita, Bigelow, Johns Hopkins T'niv. Circ, 88, 1891. 



Diagnosis. — Eyes of medium size, triangular; dactylus of raptorial 

 claw with four teeth; rostrum ovate without carina'; carapace without 

 carina', except on posterior lateral lobes, which are rounded, cervical 

 suture obsolete on the median line, anterior lateral angles acute; lateral 

 spine of the fifth thoracic segment broad, Idunt, and curved forward, 

 lateral margins of the next two segments rounded; hind body without 

 submedian carinie excei)t the sixth abdominal segment; telson with a 

 dorsal crest and ventral keel and a few curved lines of jn'ts on each 

 side; six large marginal spines, the submedian jiair having movable 

 tips, and on each side of the median sinus two to three submedian 

 denticles, nine to twelve intermediate, and one lateral one. 



Getieral descripfion. — This species is closely related to Siinilla des- 

 marestii, Eisso, and has many points of resemblance to *S'. armata. The 

 body is well arched, but somewhat less compact. The carapace is 

 longer than the exposed thoracic segments, and a little less than half 

 as long as the first six abdominal segments and about twice as long as 

 Proc. N. M. 1)1 33 



