EXPLANATION OF PLATES. 
Except where otherwise stated in the context, all the drawings were prepared by 
Miss Lora Woodhead, of Stanford University. The photographs were made by J. H. 
Paine. 
The numbers in brackets have reference to the author’s register of examined 
specimens. 
Plate: XLV. 
OTomora/Mi', dorsal view of large male from Honolulu, [174]- Drawn by R. L. Hudson. 
Plate XLVI. 
Fig. I. Polypus ornatus, dorsal view of a medium sized male from Honolulu, [179]. 'Kpi- 
Fig. 2. Polypus ornatus, tip of hectocotylized arm of same specimen [179]; as yet not well 
developed, X12. 
Plate XLVII. 
Fig. I. Polypus hoylei, ventral view of male, type, XH'> [166]. Drawn by R. L. Hudson. 
Fig. 2. Scceurgus patagiatus, dorso-lateral view of male (type), X iX; [204]. Drawn by R. D. Hudson. 
Fig. 3. Scceurgus patagiatus, tip of hectocotylized arm of same specimen, X2F2; [204]. Drawn by 
R. L. Hudson. 
Plate XDVIII. 
Fig. I. Scaurgus patagiatus, hectocotylized portion of left third arm of male (type), X7; [204]. 
Fig. 2. Polypus hoylei, hectocotylized portion of right third arm of male (type), X4; [166]. 
Fig. 3. Polypus hoylei, region surrounding right eye of same specimen, showing the supraocular 
cirri, considerably enlarged; [r66]. 
Fig. 4. Polypus hoylei, fimnel of male from the vicinity of Kauai, laid open along the medio-ventra 
line to show the funnel organ, Xz)^; [176]. 
Fig. 5. Argonauta bottgeri, iimer aspect of left second arm of female, Xz)^; [165]. 
Fig. 6. Polypus marmoratus, hectocotylized portion of right third arm of large male from Honolulu, 
X7; [174]- 
Fig. 7. Polypus /?, left dorsal arm of small specimen from off the south coast of Oahu, Xs; [194]- 
Fig. 8. Polypus dorsal view of specimen from off the south coast of Oahu, considerably enlarged; 
11951 - 
Plate XLIX. 
Fig. I. Lcetmoteiithis lateral view of mandiblesof specimen from the Pailolo Channel, nearly 
natural size; [212]. Drawn by J. H. Paine. 
Fig. 2. Lcetmoteuthis lugubris, apical view of same, same scale. Drawm by J. H. Paine. 
Fig. 3. inner aspect of all arms of left side of female not quite adult, X3; [221]. 
Fig. 4. Trenioctopus violaceus, funnel of same specimen laid open along medio-ventral line, X4: 
[221]. 
Fig. 5. Euprymna scolopes, left tentacle club of male (type), inner aspect, greatly enlarged; [320]. 
Fig. 6. outer aspect of left dorsal arm of male (cotype) showing hectocotylization, 
much enlarged; [323]. The suckers of the innermost row along the basal portion of the arm are con- 
siderably larger than they should be in the figme. 
360 
