no. 3641 STOMATOPOD CRUSTACEA — MANNING 37 



Description. — Eye large, cornea bilobed, set almost transversely 

 on stalk; eyes not extending beyond end of second segment of anten- 

 nular peduncle; ocular scales triangular, apices acute, curved anteri- 

 orly; corneal index 362. 



Antennular peduncle short, about half as long as carapace; dorsal 

 processes of antennular somite visible lateral to rostral plate as 

 anteriorly directed spines. 



Antennal scale broad, ovate, more than twice as long as broad; 

 antennal peduncle extending to or slightly beyond eye; basal portion 

 of antenna with anterior margin straight, not produced into an 

 anterior triangular projection or spine, and with 3 papillae, 1 mesial, 

 2 ventral. 



Rostral plate cordiform, broader than long, apex deflexed; median 

 carina present on anterior half. 



Figure 12. — Lysiosquilla maculata (Fabricius), female, TL 146.0, Nosy Be: a, antennal 

 scale (setae omitted); b, color pattern of ischium and merus of raptorial claw; c, outline 

 of ventral keel of eighth thoracic somite. 



Dactylus of raptorial claw with 9-11 teeth (10 in present specimen), 

 outer margin of dactylus sinuate; propodus with few hairs proximally; 

 dorsal ridge of carpus terminating in single spine, apex not deflexed. 



Mandibular palp and 5 epipods present. 



Ventral keel of eighth thoracic somite low, rounded, unarmed. 



Abdomen smooth, unarmed; sixth somite with irregular submedian 

 area separated from smooth lateral boss by a longitudinal sulcus; sixth 

 somite with slender, triangular projection in front of articulation of 

 each uropod. 



Telson much broader than long, pitted dorsally, with low, raised 

 triangular median boss and 2 lower, oval, submedian bosses on dorsal 

 surface; posterior margin with 4 pairs of projections, outer 2 best 

 developed. 



