140 MR. T. SCOTT ON ENTOMOSTEACA 



II. 3IYOBOC0PA. 



Family CYPEIDINID/E, Baird. 



Genus Asterope, Philippi. 

 AsTEROPE SQUAMiGEE, D. sji. (PL XIV. figs. 56, 57 ; PI. XV. figs. 14, 22, 23, 26.) 

 Female. Shell, seen from the side, subrotundate, highest at the middle, convex and evenly 

 rounded in front; dorsal margin nearly straight; extremities evenly rounded; the 

 posterior curve slightly oblique, notch well defined, beak subacute, height equal to four 

 fifths of the length. Length 1-15 mm. Seen from above ovate, tumid, widest at the 

 middle ; width equal to tbree fifths of the length ; sides moderately and regularly convex ; 

 posterior extremity obtusely rounded ; valves slightly produced in the middle ; anterior 

 extremity emarginate. Surface of shell ornamented with small squamiferous markings. 

 Antennules 6-jointed and of moderate length, the second to the fifth joints subequal, 

 the last very small and furnished with several slender apical setfe and a slightly hooked 

 claw. Secondary branches of antenna) 3-jointcd, ; first and third joints short, the last 

 bearing a short seta at its apex. Pirst maxillse nearly as in Astero])e teres, Jones ; post- 

 abdomen armed with about six spines, the first large iiud serrate on the j)Osterior edge, 

 the next three shorter and plumose and apparently articulated near the l)ase, the others 

 very small. 



Habitat. (?) Lagoon, Sao Thome Island, in a surface tow-net gathering, collected 

 during night, January 27th. Two specimens only. 



Sarsiella, Norman, 1868. 

 Sarsiella Murrayana, n. sp. (PI. XIV. fig. 58 ; PL XV. figs. 24, 28, 29, 31.) 



Male. Shell laterally compressed in front, tumid behind, seen from the side subrotund; 

 height equal to three fourths of the length ; dorsal margin slightly convex ; front margin 

 boldly rounded and continuous with the anterior end ; posterior extremity produced in 

 front into a blunt-pointed, triangular, beak-like process ; dorsal angle at the junction of 

 the posterioi" and dorsal margin rounded ; there is a small, tumid, triangular, tooth-like 

 process a little behind the dorsal angle (fig. 40). Surface of the shell covered with small 

 puncture-like markings. 



Antennules 4-joiiited ; first joint elongate, second and third subequal and shorter than 

 the first; last joint fully three fourths the length of the preceding and furnished with 

 several apical setse of moderate length ; second joint of natatory branch rather longer 

 than the next two joints together ; third to the last joints small, subequal. Post- 

 abdomen armed with a long, powerful, terminal claw and four spines of varying length 

 on the posterior distal margin. Ovii'erous foot nearly as in Asterope Ilarice (Baird). 

 Length •93 mm. 



Kahltal. Lagoon, Sao Thome Island, in a surface tow-net gathering collected during 

 night, January 27th. Two specimens only obtained. 



