18 PROCEEDINGS OF THE NATIONAL. MUSEUM vol. 6& 



opod 1 about as in B. catharinensis. Gnathopod 2 as in the female. 

 Peraeopods as in the female. Uropods normal. Telson cleft about 

 one-third of its length, lobes blunter than in female with apices 

 rounding, a plumose setule near the center of outside edges. 



The specific name of this species refers to the almost transverse 

 palm of the second gnathopod. Specimens in the collection of the 

 United States National Museum besides the type are as follows: 

 1 specimen collected at the entrance of Catalina Harbor, Santa 

 Catalina Island, California, by the Venice Marine Biological Station, 

 December 30, 1912; 54 specimens collected off Point Loma, Cali- 

 fornia, by Dr. Waldo L. Schmitt, Aug. 1918. 



BATEA LOBATA. new species 



(Figures 12, 13) 



FeTnale. — Head with rostrum spear-shaped and pointing almost 

 directly forward. Eyes large reniform, black. Lateral angle very 

 flat and rounding. Lower anterior corner rounding. Antennae nor- 

 mal. Mandibles with five spine-teeth in spine-row of left and four 

 in that of right, palp with third joint little shorter than second 

 and armed on the distal front half with many long bristles one of 

 the terminal ones of which is enlarged and dactyl-like, second joint 

 expanded at the distal end and bearing a group of long bristles on 

 this expansion, no bristles on the proximal part of the joint. Maxilla 

 1 with nine plumose setae on inner plate, outer plate and palp as in 

 B. rectangulata. Maxilla 2 as in B. rectangulata. Maxillipeds, in- 

 ner plate extending a little beyond the end of the first joint of the 

 palp and bearing three spine-teeth on its truncated end, outer plate 

 not reaching the end of the second joint of the palp, inner edge 

 armed with a row of tooth-like spines, no plumose setae on end of 

 plate, first joint of palp about two-thirds as long as second, second 

 a little longer than third. Lower lip without inner lobes. Gnatho- 

 pods 1 and 2 much as in B. cathaHnensis. Gnathopod 2. fifth, and 

 sixth joints subequal in length and width, fifth joint longer than wide 

 with the lobe of hind margin much less acute than in B. catharinen- 

 sis^ sixth joint with palm oblique, slightly convex and a little shorter 

 than hind margin of joint, dactyl with four or five teeth on inner 

 edge. Peraeopods much as in B. catharinensis. Second joint of 

 peraeopod 3 with the lower posterior lobe a little more prominent 

 and crenulate than in B. catharinensis. Second joint of peraeopod 4 

 not noticeably" wider above than below, with hind margin evenly 

 convex. Second joint of peraeopod 5 as broad as long, widest 

 through upper third. Side-plate 2 as in B. cat liar inensis. Side- 

 plate 3 with sides less divergent than in B. cathaHnensis. Side- 

 plate 4 as in B. catharinensis. Side-plate 5 with hind lobe a little 



