212 



CEYLON PEARL OYSTER REPORT. 



Dromidia unidentata (Rupp). 



australiewds, HASWELL. 

 Cryptodromia pentagonalis, HILG. 

 Pseudodromia integrifrons, HEND. 

 llaninoidcs serratifrons, HEND. 

 Hippo, asiatica, MiLNE-Eow. 

 Albunea symnista (LiNN.). 



* thurstoni, HEND. 

 *Coenobita rugosa, MiLNE-Eow. 

 *Diogenes diogenes (HERBST). 



* nwrguiensis, DE MAN. 



* miles (HERBST). 

 cu-stos (FABR.). 



,, planimanus, HEND. 

 ,, avarus, HELLER. 



* ,, costdtus, HEND. 

 *Pagurm punctulatus (OLiv.). 



deformis, MiLNE-Eow. 



Pugurus varipes, HELLER. 



* setifer, MiLNE-Eow. 

 *Troglopagurus manaaremis, HEND. 

 *Anicuhis aniculus (FABR.). 



* strigatus (HERBST). 

 *Glibananus pculavensis, DE MAN. 



arethusa, DE MAN. 

 * Eupagurus zebra, HEND. 

 Petrolwthes dentatus (MiLNE-Eow.). 

 bosdi (A.UD.). 



* militaris (HELLER). 

 Porcellanella triloba, WHITE. 



*Polyonyx obesulus, MiERS. 



,, tuberculosis, DE MAN. 

 *GalatJiea elegans, WHITE. 



,, spinosirostris, DANA. 

 Munida spinulifera, MIERS. 



Of the above 35 species, Professor HERDMAN found the 16 marked with a star, and 

 also 32 additional species which were not obtained by THURSTON. 



ANOMTJRA. 



HIPPIDEA. 



FAMILY: HIPPID^. 



Remipes testudinarius, LATREILLE. (See MIERS, 10. )t 



Galle, Station XXXVII., depth 7 fathoms ; one specimen measuring 5*5 centims. in 

 extreme length, and six smaller ones of 2 centims. Not previously recorded from 

 Ceylon. 



Mastigochirus gracilis (STIMPSON). (See MIERS, 10.) 



Galle, Station XL., depth 34 fathoms. Three small male specimens. Not previously 

 recorded from the Indian Ocean. 



FAMILY: ALBUNE1D.E. 

 Albunea thurstoni, HENDERSON (8). 



Localities : (1) Galle, Station XL., 34 fathoms ; (2) off Mutwal Island, 

 Station LXVI., 10 to 35 fathoms ; (3) west of Periya Paar, Station LV., 24 fathoms ; 

 (4) on Aripu coral reef, shallow water. One specimen from each locality. The 

 carapace of the largest specimen measures 1 *6 centims. 



t These numbers refer to the literature cited at the end. 





