50G COLLECTIONS FROM THE WESTERN INDIAN OCEAN. 



99. Phyllidia varicosa, Laniard: 



Mozambique, between tide-marks. 



For distribution of this species see Bergh iu Semper's ' Reisen im 

 Arch, Philippine^' Thcil 2, Band 2, Heft x. p. 381. 



100. Doris (Platydoris) coriacea. 



Doris coriacea, Abraham, Proc. Zool. Soc. 1877, p. 247, pi. 27. 



figs. 1-4. 

 Platydoris coriacea, Bergh, in Sempei %, s 'Reisen im Arch. Philippinen,' 



Theil 2, Band 2, Suppl.-Heft i. p. 58. 



Mozambique, between tide-marks (Ooppinger) ; South Africa, 

 Seychelles, and Sir C. Hardy's Island (Abraham). 



101. Doris (Asteronotus) mabilla. 



Doris mabilla (Bergh), Abraham, Proc. Zool. Soc. 1877, p. 249, pi. 28. 

 figs. 1-4. 



Asteronotus mabilla, Bergh, in Semper's ' Reisen im Arch. PhUip- 

 pinen,'' Theil 2, Band 2, Suppl.-Heft i. p. 71, pi. xx. c. fig. 10. 



Seychelles and Samoa Islands (Abraham) ; Glorioso Islands 

 and Mozambique (Goppinger). 



In the specimens from the two latter localities the pale spots upon 

 the back with dark centres are symmetrically placed upon each side 

 of the central line, which is pale and dark spotted at intervals. 



II. CONCHIFERA. 



1. Cytherea (Caryatis) obliqnata, Hanley. 



Seychelles. 



A single right valve from this locality is of a rich brown colour, 

 whitish towards the umbones and ventral margin, radiately streaked 

 with white across thewbrown portion of the surface, having the 

 lunulo and posterior dorsal surface lineated with dark brown. The 

 inner surface is white, faintly tinted with pale rose towards the 

 hinder extremity. 



2. Circe (Crista) pectinata. Linne. 



Poivre Island. 



3. Circe (Crista) gibbia, var. 



Seychelles. 



This specimen belongs to the variety named C. menJcei, Jonas. 



