G4 



C 1 C A D I D ^.. 



* B. Opercula in male distinctly concavely sinuate outwardly at base. 



b. Operoula in ninle extending' over at least two-thirds the length of 

 abdomen. 



D. distans. 



Dundxihia disfa)ii<, Walk. Ijist Hom. Siippl. 



p. 10 (1858) ; Stal, Ofv. Vot.-Ak. Forh. 



1802, p. 480. 

 Diinduhia siihfascia, ]\''(ilk. List Horn. Su))])]. 



p. 11 (1858). 

 Dvnduh'ia Ilnei/era, ]\\ilk. loc. cif. p. 12. 

 Cosmoj)saltria Jineifera, Sfal, ]5orl. ent. Zeitschr. 



X. p. 171 (18G(VJ. 

 Co.'unopsaltria (^THrempt/qci) Jineifera, Stal, Ofv. 



Vet.-Ak. Forh. 1870', p. 708 note. 

 D. stuarti. 



< 'osDiopsalti'ia stuarti, Di.^t. Froc. Zool. Soc. 



Lend. 1882, p. 125, j.!. vii. f. 2, a, h. 

 D. impar. 



J)iniduhia impar, Walk. Jonrn. Linn. See. 



Zool. X. p. 80 (1807). 

 Cosmopsalfria impar, J)ist. Mon. Orient. C'icud. 



p. 04, t. X. f. 10, a. /> (1890). 

 D. lutulenta. 



Cosmopsaltria liitidenta, Dist. Ann. Mus. Civ. 



Gen. (2^) vi. p. 522 (1888); id. Mon. Orient. 



Oicad. p. 03, t. vii. f. 7, a, h (1890). 

 D. recedens. 



Jhnidahia recedens, M^alh. Journ. Linn. Soc, 



Zool. X. p. 85 (1807). 

 Cosmopsidtria recedens, Dist. Mon. Orient. Cicad. 



p. (;0, t. X. £. 14, a, h (1890). 

 D. minabassae. 



("osmojmdtria minahasa', Dist. Ann. Mag. Nat. 



Hist. (0) i. p. 294 (1888) ; id. Mon. Orient. 



Cicad. p. 58, t. vi. £. 17, a, h (1890). _ 

 Dundidiia dori/ca, Walk, (nee Boisd.) List Hom. 



i. p. 47 (1850). 



hi). Opercula in male only extending to about half tlie length of abdomen. 



South Sea 

 Islands. 



Fiji. 



N. Guinea. 



N. (luinea. 

 N. Guinea. 



Malayan 

 Archi- 

 pelago. 



D. aliiana. 



] )ic('r<rpy(ia ahtana, Dist. Ann. Mag. Nat. Hist. 

 (7) xVi. p. 557 (1905). 

 D. boninensis. 



J)/ce)'o]»/(/a honinensis, Dist. Ann. "Mng. Nat. 

 Hist.'(7) XV. p. 67 (1905). 



Solomon 

 Lslands. 



Bonin 



Islands, 



Yokoliama. 



