334 BULLETIN OF THE BUREAU OF FISHERIES. 



Plate XLIII. 



Fig. I. Rossia pacifica diegensis, inner aspect of left third arm of male from oS San Diego, California, 



XzX- [20] 



Fig. 2. Rossia pacifica, inner aspect of arms of entire right side of a male from Behm Canal, Alaska, 

 X2. [21.] 



Fig. 3. Rossia pacifica, outer lateral view of left dorsal arm of same specimen, X2. [21.] 



Fig. 4. Rossia pacifica, right tentacle club of same specimen, X4. [21.] 



Fig. 5. Loligo opalescens, ventral view of an embrj-o of 3.5 mm., X20. [163.] br, gill; c, chro- 

 matophores; e, eye; g, gonad; »', ink-sac; I, lens; y, yolk-sac. 



Fig. 6. Loligo opalescens , buccal membrane of type, X3. [loi.] 



Fig. 7. Loligo opalescens, distal portion of left ventral arm of an adult male from Monterey Bay, 

 California, showing hectocotylization, X2>^. [59.] Drawn by H. V. Poor. 



Fig. 8. Loligo opalescens, part camera drawing of sucker from third arm of male oral aspect. [loi.] 

 From a mount in balsam. 



Plate XLIV. 



Fig. I. Rossia pacifica, ventral view of an adult male from Admiralty Inlet, Alaska, X2. [5.] 

 Drawn by R. L. Hudson. 



Fig. 2. Loligo opalescens , ventral view of young animal from Monterey Bay, California, Y.iyi- [62.] 

 Drawn by R. L. Hudson. 



Fig. 3. Loligo opalescens. locking cartilage from left side of funnel of a male from Monterey Bay, 

 California, X a^. [69.] 



Fig. 4. Loligo opalescens , nuchal locking cartilage of same individual, 'K^yi- [69-] 



Fig. 5. Rossia pacifica, interior of fxinnel of a female from Monterey Bay, California, laid open from 

 below to show the funnel organ, X2)2. [7.] The posterior outlines of the median organ are not 

 shown. 



Plate XLV. 

 Fig. I. Loligo opalescens, dorsal view of type specimen (male) from Puget Sound, natural size. 



[lOI.] 



Fig. 2. Loligo opalescens, ventral view of same, natural size. [loi.] 



Plate XL VI. 



Fig. I. Galiteuthis phyllura, right third arm of type, inner aspect, X3. [113.] 



Fig. 2. Galiteuthis phyllura, right tentacle club of type, inner aspect, XjX- [ii3-] 



Fig. 3. Galiteuthis phyllura, inner aspect of left tentacle of type near the base showing fixing pads 



and suckers, X6. [113.] 



Fig. 4. Loligo opalescens, inner aspect of median portion of right third arm of type, showing suckera 



and marginal web, much enlarged, Xs. [loi.] 



Fig. 5. Lo/j'^o o/>a/ejden.f, right third arm of type, inner aspect, X2. [loi.] 



Plate XLVII. 



Fig. I. Sthenoieuihis bartramii, oblique lateral view of right third arm of specimen from Bering Sea, 



XiK. [114-] 



Fig. 2. Sthenoteuthis bartramii, nuchal locking cartilage of same specimen, X2X. [114.] 



Fig. 3. S<A«Kofci(rtu JariraOT!!, locking cartilage of right side of funnel, X2^. [114.] 



Fig. 4. S//!«KofcM<A!jtar/rajn!7, ventral view of same specimen, reduced nearly X- ["4] Drawn 



byR. L.Hudson. 



