x CONTENTS. 
PAR 7 Th. 
SYNOPSIS OF THE GENERA. 
CHAPTER I. 
PAGE 
Crass I. CEpHALOPODA. ORDER 1. DIBRANCHIATA ........-.+. 105 
PREPION TA OCTOPODA  .. 2.0 5 o-see se asisies 4 o> ofvisjolete eee 158 
Fam. I. <Argonautide.—Argonauta ..........-266 seeeeee 161 
Fam. II. Octopodide.—Qctopus, Pinnoctopus, Eledone, Cir- 
roteuthis, Philonexis, Sceeurgus, Bolitena .............- 163 
Sremuaneise ECAPODA . «ail. ls Sh «c's ses 400.0 2 on Oe ee 166 
Fam. III. Teuthide.— oligo, Gonatus, Sepioteuthis, 
Beloteuthis, Geoteuthis, Leptoteuthis, Cranchia, Sepiola, 
Loligopsis, Cheiroteuthis, Histioteuthis, Onychoteuthis, 
Enoploteuthis, Ommastrephes, Thysanoteuthis, Loliolus, 
Plesioieuthis; Desidicus. 2. $5.0 wate ke ae See 
Fam. IV. Belemnitide.—Belemnites, Belemnitella, Xipho- 
teuthis, Acanthoteuthis, Belemnoteuthis, Conoteuthis .... 
Fam. V. Sepiade.—Sepia, Spirulirostra, Beloptera, Belem- 
MOSS; TICHCETUB. 20.5 Fh. so Se 2h. FR ales Sas ee 
fam. Vi.” Spirulide.—sSpirula >... 5. sos cscs es So eee 
SrnEn oie VLETRARRANCHIATA 5. s+ a0se-<sisieceechs ce acs od 
ANG GAG, SS aio gio area hoe Seal pina bancfstcie hee 
Fam. Il. Orthoceratide.—Orthoceras, Gomphoceras, Onco- 
ceras, Phragmoceras, Cyrtoceras, Gyroceras, Thoracoceras, 
Nothoceras’ 535.20.) ia yn ns veel os Oe eee 
Fam.IIl. Ammonitide.—Goniatites, Rhabdoceras, Bactrites, 
Ceratites, Ammonites, Crioceras, Toxoceras, Ancyloceras, 
Scaphites, Helicoceras, Turrilites, Hamites, Ptychoceras, 
BS ACHABES ss i's ipa’. 25 2:4 atte ie cla amie, bewinictere ante eee 
PETG A, CSTPUIONOSTOMATA. oc. oc... 0.46ac% 6 de cc oue ae oe 
Fam. I. Strombide.—Strombus, Pteroceras, Rostellaria, 
BeCiIpus ., sc vesshneew ents TON ve 
167 
173 
176 
17? 
178 
185 
190 
195 
