300 



CEYLON PEARL OYSTER REPORT. 



PLATE IV. 



Fia 



8 

 11 

 20 

 21 

 22 



Tryphosa cucullata, n. sp. 



Ampelisca tridens, a. sp. (see also PL II.). 



Perioculodes serra, n. sp. 



Tiron thompsoni, n. sp. 



Eusiroides cassaris, Stebbing. 



Fig. 23. Eiisiroides wchorru nipes, n. sp. 



,, 24. Dexamine setraticrus, n. sp. 



,, 20. Tritxta antardica, Stebbing. 



20. Guernea Icevis, Chevreux. 



27. Hornellia incerta, n. gen. et sp. 



Fig. 28. Melita anisbchir (Kroyer). 



PLATE V. 



Fig. 29. Mcera othonoides, n. sp. 



., 30. ., rvbro-maculata (Stimpson). 



31. ., tenella (Dana). 



,, 32. scissimana (Costa). 



Fig. 33. Ma ra tenuicornis (Dana). 



34. Elasmopus subcarinaius (Haswell). 

 35. ,, dvMus, n. sp. 



,, 3G. spinimanus, n. sp. 



Fig. 38. Parelasmopus suluensis (Dana). 

 ,, 39. Lemhos podoceroides, n.'sp. 

 ,, 40. chelatws, n. sp. 



PLATE VI. 



Fig. 41. Gammaropsis zeylanicus, n. sp. 

 42. Ghtiripkotis megacheles (Oiles). 

 ,. 43. Phot is longicaudata (Sp. Bate). 



Fig. 44. Flmt i* longimanus, n. sp. 

 ., 45. ,, ivina, n. sp. 



,, 46. Amphithot intermedia, n. sp. 



47. /a&sa /atafa (Mont.). 



PLATE VII. 



Fig. 48. EricMhonius macrodactylus (Dana). 

 ,. 49. Siphonceeetes orientalis, n. sp. 

 50. Chevalia aviculce, n. gen. et sp. (see also 

 PL VIII.). 



Fig. 51. Flatojihiiim lave (Haswell 



PLATE VIII. 



Fig. 16. Gallea tecticauda, n. gen. et sp. (see also Fig. 50. Chevalia aviculce, n. gen. et sp. (see also 



PL III.). PL VII.). 



37. Elasmopus serrula, n. sp. 52. Platophium synaptochir, n. sp. 



Fig. 53. Platophium zeylanicum, n. sp. 



HARRISUN AND SONS, PRINTERS IN ORDINARY TO HIS MAJESTY, ST. MARTIN'S LANE, LONDON. 



