414 REPORT OF NEW JERSEY STATE MUSEUM. 



or inferior orbital edge advanced greatly before inner supraor- 

 bital spine, as viewed from above, and as seen below with wide 

 external notch. Anterior lateral teeth of carapace begin with 

 first forming outer edge of orbit, similar, first five subequal and 

 a little smaller than sixth or eightli, which latter larger though 

 also subequal. Apices of anterior lateral teeth, except last one, 

 would all radiate from a line drawn to articulation of last pair 

 of legs. Last lateral spine enlarged, directed out at right angles 

 to axis of carapace, narrowly triangular, sharp pointed, and its 

 length twice that of spines immediately anterior. Anterior lat- 

 eral teeth covered below with hairs so that notches between 

 well screened. Epistome, antennal and pterygostomian regions 

 hairy. 



Antennules moderately larg'e, outer joint little longer. An- 

 tennae with short and moderately stout peduncle, and de- 

 pressed flagellum, reach first anterior lateral spine of carapace. 

 Eyes moderate, pedicel a little constricted, and base greater than 

 diameter of eye itself. Maxillipeds cover rather square buccal 

 frame, ischium wndth half its own length, merus about broad as 

 long, propodus and dactylus subequal and a little longer than 

 merus. Chelipeds rather short. Propodus convex over surface 

 generally, dactyl and pollex about equal, approximated at tips 

 and former a little less than half length of propodus. Cutting- 

 edges .with sharp compressed teeth, each with four enlarged 

 teeth Avith small cusps between, and larger fitting alternately 

 when closed. Upper surface of propodus broad, with three 

 ridges, median continued also on upper and superior lateral por- 

 tions of dactyl for greater portion basally at least. At origin 

 of median ridge large forward directed spine. On propo- 

 dus upper innermost ridge ends anteriorly in sharp spine. 

 Ridge along lower side of propodus from hind basal edge 

 medianly on outer surface toward cutting-edge. Lower surface 

 of propodus with outer keel beginning well beyond articulation 

 with carpus and extending to end of pollex. Inner marginal 

 ridge obsolete at first and then extending along side of pollex 

 below. Carpus about half length of merus, with four spines 

 on upper anterior edge, though innermost well separated from 



