

432 CEYLON PEARL OYSTER REPORT. 



EXPLANATION OF PLATES. 



PLATE I. 



Fig. 1. PhUyra adamsi, Bell. $ . (Bell's "type "-specimen refigured.) x 2. 



a, hepatic facet, &c. x 2 ; b, buccal region with external maxillipetl of one side removed, x 5. 

 ,, 2. Tins havelocki, n. sp. x 3. 

 3. Halimus pehlevi, n. sp. x 2. 



a, ventral view of anterior region, x 5. 

 4. Halimus irami, n. sp. x 2. 



a, ventral view of anterior region, x 5. 

 5. Doclea alcocki, n. sp., ? , ventral view of anterior region, x 1 J. 

 ,, G. Grypiqpodia pan, n. sp., ventral view of anterior region, x 4. 



7. Zozymus gemmula, var. ceylonica, nov. 



x 



9 



,, 8. Demania splendida, n. gen. et sp., ventral view of anterior region, x 2. 



a, external maxilliped. x 2. 

 9. Euxanthus herdmani, n. sp. x \h. 



a, ventral view of anterior region, x H ; outer surface of wrist, hand and fingers, xlj. 

 ., 10. C'almania prima, n. sp. x 3. 



a, ventral view of anterior region, x 2. b, outer surface of hand, x 3. 

 11. Mertonia lanka, n. sp. x 4. 



a, ventral view of anterior region, x S. /(, anterior view, x 4. c, outer surface of hand, x 4. 

 12. Palicus jukesi (White), sub-hepatic region, x 2. 



PLATE II. 



1. Demania splendida, dorsal and ventral views. Nat. size. 



2. Doclea alcocki, dorsal and ventral views, x J. 



3. Macrophthalmus latreillei (Desm.) A-E, five specimens illustrating the characters given in the 



text. B shows regenerated cheliped ; ojjposite surface in small figure alongside. 



