No. 1704. A COLLECTION OF SHELLS FROM PERU—DALL. 201 
(NOTASPIDEA.) 
Family PLEUROBRANCHID2#. 
Genus PLEUROBRANCHUS Cuvier. 
PLEUROBRANCHUS PLATEI Bergh. 
1898. Fauna Chilensis, vol. 1, p. 494. Calbuco, Chile. 
PLEUROBRANCHUS PATAGONICUS Orbigny. 
1837. Voy. Am. Mér., p. 204, pl. 17, figs. 4, 5. Talcahuano, 
Chile. Also south of the Rio Negro on the Atlantic coast of 
Patagonia. 
Genus PLEUROBRANCHAZA Leue. 
PLEUROBRANCHZA MACULATA Quoy and Gaimard. 
1832.- Voy. Astrolabe, Zool., vol. 5, pt. 2, p. 301, pl. 2 
11-14. Plate, Fauna @hilensic ail 1, p. 492, a se os. a 
9, 1898. Juan Fernandez Island. 
Order NUDIBRANCHIATA. 
(CLADOHEPATICA,) 
Family AEOLIDIIDZ. 
Genus AEOLIDIA Cuvier. 
AEOLIDIA LOTTINI Lesson. 
1830. <Aeolis lottint Lesson, Voy. Coq., p. 290, pl. 14, figs. 6 
g-n. Southern Chile. 
AEOLIDIA PAPILLOSA (Linnzus) Bergh. 
1898. Plate, Fauna Chilensis, vol. 1, p. 540. Chile. 
AEOLIDIA SEROTINA (Linnzus) Bergh. 
1898. Plate, Fauna Chilensis, vol. 1, p. 541, pl. 31, figs. 26-31. 
Malenhmeres and Tumbes, Guile: 
Genus CRATENA Bergh. 
CRATENA CAVANCA Bergh. 
1898. Plate, Fauna Chilensis, vol. 1, p. 545, pl. 31, figs. 82-34. 
Cavancha, Chile. 
CRATENA PUSILLA Bergh. 
1898. Plate, Fauna Chilensis, vol. 1, p. 547, pl. 31, figs. 35-37. 
Juan Fernandez Island. 
Genus PHIDIANA Gray. 
PHIDIANA EXIGUA Bergh. 
1898. Plate, Fauna Chilensis, vol. 1, p. 559, pl. 32, figs. 16-18. 
Coquimbo, Chile. 
PHIDIANA INCA Orbigny. 
1837. Aeolis inca OrBieny, Voy. Am. Mér., p. 195, pl. 13, figs. 
1-7. Callao to Taleahuano, Chile. 
