. l.\ 



Mrriilly lik- -A ill, tWO 



r\\. of hooks. tun rowi "f moli 



I"! supporting tin- ten! ilier. (iladins feather h 



i'.od\ lon u , cylindrical, \\itli trianmilar tins rill,. 



tin- mil or nil aloii;r In. ili side- \\illi tu.. 



rows of hooks. and with sometime their 



end.s : tentacles with hooks only; siphon connected with tin- head by 

 bands; llu fourth ri^ht or h'l't arm iiect oeotyli/.ed. Shell feat he i 



or blade-shaped. 



\NVA. Hotly cylindrical, thin. rounded behind, with tin- ahum 

 nearly the- whole length ; arms with two rows of small hooks ; tcin 

 thin, shorter than the sessile arms, with small BUoken ; Mphon con 

 nccted by hands. Shell feat her-like. Too close to h'tnijilo/firl/iix. 



io-|'i-:i - 'nus. I'^os^il only. ) T.ody rather IOMI;-, attenuated ln-himl ; arms 

 with hooks. Shell small, lancet Conned, with a central and two side 

 ridues, and an arrow-shaped point. 



Px.dy oval ; arms with hooks and suckers. Shell 



a rounded blade, with win-ed projections on either side of the pen ; 

 nucleus central. 



l>o>inicU8. Body lon.u' ; arms with lanje suckers on tin- lower halt', and 

 many small ones on the upper, thinner hall' ; clubs of the tentacles with 

 lour or Jive hooks. Shell with ;i lar-v, nearly solid end-cone. 



Fntnil X. OMMA STR KIMI ID J-]. 



( JMMASTUKIMIKS. l>ody lon^, cylindrical; arms short, with two rows of 

 suckers; tentacle- short, not retractile, the clubs with lour row-, of 

 suckers ; siphon valved, fastened to the head by bands. Shell small, 

 lancet-form, with a hollow end-conns. 



Family XI. SKIM I ILK. 



SKI-IA. (General characters those of the family ; under the e\ es ;\ lid-like 

 fold, over them lachrymal opening: six aqueous pores in the buocal 

 membrane; arms short ; tentacles lonjj ; suckers lonii-peduncnlated ; 

 Siphon with very lai^e valve. Fourth left arm hectoeot yli/.ed to its ' 



HK.MISEPIUS. Hitlers from &-pi<t by the sessile arms having only t \\ o 

 rows of sucker.- ; t he vent ral surface of the mantle with aqueous j 

 situated in little nipples, and connected t-o^'ther by a longitudinal 

 groove. The very rudimentary calcareous pai t itions of the inner side 

 of the cuttle-bone only cover a portion of t!. .iin plate. 



