226 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
B. Argonauta argo (L. BOLTEN. 
1. A. argo papyria (Conrad). 
Aperture angulate. 
2, A. argo cygnus (Monterosato). 
Aperture auriculate. 
. argo 8. 8. (Linné) Bolten. 
. argo americana. (Dall). 
. argo pacifica (Dall). 
ao 
bhh 
C. Argonauta bulleri Kırg. 
GROUP OF A. CORNUTA. 
Aperture simple. 
D. Argonauta nouryi Lorois. 
E. Argonauta cornuta Conran. 
1. A. cornuta dispar (Conrad). 
Aperture auriculate, 
2. A. cornuta 8. 8. Conrad. 
GROUP or A. NODOSA. 
F. Argonauta nodosa SoLANDER. 
ful 
M 
> 
. nodosa bibula (Bolten). 
Aperture simple, 
to 
h 
. nodosa 8. 8. Solander. 
GROUP or A. HIANS. 
G. Argonauta hians SoLAnDEr, 
1. A. hians navicula (Solander). 
Aperture auriculate. 
2. A. hians s. s. Solander. 
Aperture simple. 
H. Argonauta boettgeri MarrzAN 
I. INCERTAE SEDIS. 
. fragilis Parkinson. 
. geniculata Gould. 
. rufa Owen. 
. conradi Parkinson. 
2 
D 
hhh 
