190S.] NATURAL SCIENCES OF PHILADELPHIA. 559 



specimens. See also the remarks by Tenison-Woods'in Proceedings 

 of the Royal Society of Tasmania, 1877, p. 32 (1878). 



Naiica secunda Mab. et Rocheb., as figured and descril^ed by Ort- 

 mann/ is evidently closely related to P. aulacoglossa and its allies. It 

 is not surprising to find that the nearest relatives of A^. secunda are 

 austral forms. 



Explanation of Plate XXLX. 

 The figures are slightly reduced in size. 



Figs. 1, 2, 3—Polinices aulacoglossa Pils. and Van., n. sp. No. 94229 A. N. S. P. 



Figs. 4. 5—Polinices didyma bicolor Phil., No. 59200 A. N. S. P. 



Figs. 6' 7—Polinices didyma vesicalis Phil., No. 59190 A. N. S. P. 



Fig. 8—Polinices didyma ampla Phil., No. 59198 A. N. S. P. * 



Fig. 9—Polinices didyma Bolt, (robusta Dkr.), No. 80440 A. N. S. P 



' Bep. Princeton Univ. Exped. to Patagonia, IV, p. 188, pi. 33, fig. 3a, b. 



