CONTENTS. 
8. Nervous System, «+--+ see ee en etre 
4 Organsof Sense, . 2-2-1 eee eee ee ene 
I. Organs of Touch,. .. 2. + ee ewe veee 
IL Organs of Vision, . 2... 1... ee ee eee 
III, Organs of Hearing, »... 1-224 eee 
5. Digestive Apparatus, . . Pee er ae 
I. Organs of Deglutition and Mastication, Bae! 2a te YS 
II. Intestinal Canal,. . 1 2s we ee ee we wwe 
III, Glandular Appendages, . 2... 0.000 
6. Circulatory System, . 2... +e ee eee eae 
7. Respiratory System, .. 1... + see eee ene 
8. Organs of Secretion,. 2... 6 2 2 se eee ee 
9. Organs of Generation,. . 2 2 6 ee ee ee ee 
Ix. THE ACEPHALA. 
Classification and Bibliography,. ........4- 
1. Cutaneous System, .. 1.1.1 es we ee eae 
2. Muscular System, and Organs of Locomotion,. ... 
8. Nervous System, . 1... 2 ewe ee eee nee 
4. Organs of Sense, . 2... ee ee eee tees 
5. Digestive Apparatus, BoBC OR TRL se! HOSEN ar See 
6 Circulatory System, . 2... 6 ee ee ere eae 
7. Respiratory System,. . 1. 2s we se ee ee 
8. Organs of Secretion,. +... +... ee eee ae 
9, Organs of Generation, ... 2... ee ee eee 
X. THE CEPHALOPHORA. 
Classification and Bibliography,. .... +. ..6+ 
1, Cutaneous System, ...... & Be he Ks 
2. Muscular System, and Organs of Locomotion, Chr oe 
8. Nervous System, . 2... ee ee ee eee 
4, Organs of Sense, . 2.2 1 ee ewe ee wee 
5. Digestive Apparatus, . 1... 2 eee eet eee 
6. Circulatory System, . . 2. 1 1 ee ee ee eee 
7. Respiratory System, .. 2... + ee eee eee 
T,, Branchiae;,. ay 2) ao ses fener ye alee eRe Be 
TE Lungs: se: 6 sar ep eo eos go) ve Ee ka ee BGP Ga ea 
III. Aquiferous System, . . 2.2 e+. ee eee 
8. Organs of Secretion,. . 2 2. 2 ee ee et ee 
I. Urinary Organs, . - ee ee ee tee ee 
II. Organs of Peculiar Secretions,. .......-. 
9. Organs of Generation, ........- aaa Sr fe 
XI. THE CEPHALOPHODA. 
Classification and Bibliography,. ..... + +e 
1. Internal Skeleton,. . 2... 1 2 eee eee ae 
2, Cutaneous Envelope, .. 1. ee ee eee eae 
8. Muscular System, and Organs of Locomotion,. ... 
4, NervousSystem, 2. + ee es eee een eee 
5. Organs of Sense, «0 6 ee eee ee ee es 
6. Digestive Apparatus, . 2. 2 ese ee eevee 
7. Circulatory System, . 2 + 0 se ee ee eee 
8. Respiratory Organs,. . 2 2 2 +e ees ee eee 
2 
ee rT 
ee © © & ow ww 
XIItr 
SECTION 
146-148 
198-195 
196 
- 197-200 
201 
202-2038 
204-205 
206-209 
- 210-212 
213-215 
216-218 
219-222 
220 
221 
222 
223-224 
223 
224 
+ 225-229 
280 
- 231-232 
+ 233-235 
+ 236-238 
» 239-242 
« 248-247 
» 248-260 
- 251-552 
- 2538-254 
