Cumacea: 3. Bodotriidae, 4. Cyclaspis 39 



frontal lobe flanked by a pair of blunt tul)ercles; behind it sublaterally stands 

 •a longer pair, sloping down as it were from the raised hinder division 

 of the carapace; below these tubercles the pseudorostral lobes have a 

 longitudinal rounded ridge. The hind margin of the carapace is obtusely 

 excavate, the fusion with P* pedigerous segment dorsally well marked. 

 A median carina extends from the 4^'^ pedigerous segment to end of pleon. 

 The eyelobe shows two corneal lenses in front. Antenna 1 extremely small. 

 Peduncle of uropods slightly longer than the endopod, which is rather longer 

 than the exopod and has on the medial margin a close-set series of spines 

 encreasing in size- towards the apex. Colour white. L. 9 (with marsupium) 

 about 15 mm. 



German South Pole Exp., Wiuter Statiou (lat. 66" 2' S., long. 89^» 38' E.). 



23. C. costata Calm. 1904 C c, Caiman in: Herdman, Rep. Ceylon Pearl Fish, 

 i\ 2 p. 168 t. 3 f. 39 — 53 | 1907 C. c, Caiman in: Tr. zool. Soc. Loudon, v. I81 p. 7. 



Pseudorostral lobes meeting well in front of the large subcircular 

 eyelobe; antero-lateral corners obtuse, especially in the d. Carapace 

 compressed, anterior half with carina flanked by a depression on either side ; 

 |)ehind and below these the carapace in Q is beset with longitudinal 

 ridges, 12 or more in number, formed by rows of minute granules, in the 6 

 only hinder dorsal third of carapace occupied by the ridges, a vertical ridge 

 separating them from the irregularly granulated anterior portion. Pedigerous 

 segment 1 exposed, less in d than in q , segment 2 with median crest in Q , 

 feeble in 6, segments 4 and 5 each with submedian pair of tubercles in 

 Q , these segments in d depressed, with prominent dorso-lateral corners. 

 Pleon rather stout, with feeble carina in 9. Eye pigmented, with corneal 

 lenses, which at least in d are large and distinct. Antenna 1 very short, 

 3*^ segment rather longer than 2"'^, flagellum 2-jointed, accessory minute. 

 Antenna 2 9 unjoiuted, with 2 plumose setae. Maxilliped 3, 2^^ joint 

 much bent, without the narrow distal process rather longer than rest of limb, 

 2)rocess of 4*^^ joint large reaching much beyond that of the 2"*^ joint, 5*^^ and 

 6^^ joints broad, 7*^ almost rudimentary. Peraeopod 1 very short, 2^'^ joint 

 not apically produced, about as long as rest of limb. Peraeopod 2 in c? 

 having front margin of 2°^* joint serrate with recurved teeth, apparently 

 wanting in 9 . Peduncle of uropods a little longer than the subequal 

 rami in 9 , but equal to those of the c5' ; all the rami have an apical 

 spine, the endopod of has also a subapical spine; the much broader 

 endopod of d is fringed on the medial margin with serrate spines, with a 

 short interval between the series and three on the oblique apex. L. 9 

 adult 3-75 mm, d adult 3-9 mm. 

 Gulf of Manaar, depth 15 — 16 m. 



24. C. bistriata Zimmer 1902 C. b., Zimmer in: Zool. Jahrb., Syst. u 17 p. 447 

 tf. D— F. I 1907 C. bijdicata, Caiman in: Tr. zool. Soc. London, v.l8i p. 7, 17 t.3 f.4— 15. 



Pseudorostral lobes truncate, meeting just in front of eyelobe, antero- 

 lateral tooth acute, reaching level of the apices. Carapace compressed, 

 more or less arched in 9 , with median carina, rising especially in 9 in- 

 to a blunt tooth at hind margin (Caiman), flanked by 2 pairs of parallel 

 striae or very low keels in obliquely transverse curves, the anterior close to 

 the frontal lobe, the second about half-way down the carapace (Zimmer), or 

 both further back and converging behind middle of carapace (Caiman), feeble 

 and not meeting in d. Pedigerous segment 1 only laterally exposed and 



