BY C. HEDLEY. 81 



fabrefacta, Pease. I cannot venture to describe the species from 

 my single dead and bleached specimen, but can only record the 

 existence in New Guinea of a group hitherto regarded as peculiar 

 to the Eastern Pacific. 



24. Cristigibba rhodomphala, Tapparone-Canefri, 1883. 

 Illus n - — Ann. Mus. Gen. xix. pi. 4, figs. 12, 13. 

 Descr 11 - — L.c. xix. p. 176. 

 Type in Genoa Museum, 

 var. alpha. 



H a b. — Fly River (D'Albertis, Froggatt) ; Douglas River 

 (Bevan) ; Mission Hill (Hedley). 



25. C. plagiocheila, Tapparone-Canefri, 1883. 

 II 1 u s n — Ann. Mus. Gen. xix. pi. 5, figs. 4, 5, 6, 7. 

 Descr 11 — L.c. xix. p. 174. 

 Anat. — L.c. xix. pi. 7, fig. 6. 

 T y p e in Genoa Museum. 

 Hab.— Fly and Katow Rivers (D'Albertis). 



26. C. dominula, Tapparone-Canefri, 1883. 

 Illus 11 -— Ann. Mus. Gen. xix. pi. 4, figs. 8, 9, 10, 11. 

 Descr 11 - — L.c. xix. p. 178. 

 Anat. — L.c. xix. pi. 7, fig. 4, pi. 9, figs. 5, 14. 

 Type in Genoa Museum, 

 vars. alpha, beta, delta. 



Hab. — Fly and Katow Rivers (D'Albertis) ; Douglas River 

 (Bevan). 



27. C. deaniana, Ford, 1890. 



Descr 11 -— Proc. Acad. Sci. Phil. 1890, p. 188. 



Type in Phil. Acad. Museum. 



Hab. — British New Guinea (Denton). 

 6 



