XXIV 
9 
10. 
WITH Op po does 
> 
BMAP TP ONHE 
MAD ow oboe 
. Digestive Apparatus, 
. Circulatory System,...... 
. Respiratory System, ...... 
. Organs of Secretion, . 
. Digestive Apparatus, . . 
. Circulatory System, ..... Sy Fen a= cae SS 
. Respiratory System,. . 2. 6 2 6 ee ee ee ee 
. Organs of Seeretion,. . .... Sie el et 
. Organs of Generation, . . . 
CONTENTS. 
Organs of Secretion,. . . + . « 
I, Urinary Organs, ...... 
II. Organs of Special Secretions, 
Organs of Generation,. . . « « 
Introductory Note to the Crustacea. 
XII. THE CRUSTACEA. 
Classification and Bibliography, er ae ee 
External Envelope, and Cutaneous Skeleton, 
Nervous System, .... 2.2... 
Organs of Sense, ....... 
I. Urinary Organs, 
II. Organs of Special Secretions, . 
ee eo eye 
Organs of Generation, ........- 
I. Hermaphrodite Crustacea, .. . 
JI. Female Crustacea, ...... 
III. Male Crustacea; . 
ee ee ew ew 
. Muscular System, and Organs of Locomotion, 
. 
. 
. 
. 
. 
eo 
. 
. 
. 
. 
XUI. THE ARACHNOIDAE. 
Classification and Bibliography, . . 
Organs of Sense, .....-- ae 
I. Urinary Organs, 
II. Organs of Special Secretions, 
I, Hermaphrodite Arachnoidae,. . 
TI. Female Arachnoidae,. .. . 
III. Male Arachnoidae, 
XIV. THE INSECTA. 
Classification and Bibliography, . . 
Organs of Secretion,. .. .. - 
I. Urinary Organs, ... . 
II. Organs of Special Secretions, 
Organs of Generation,. . . . . 
I. Female Genital Organs, .. . 
If. Male Genital Organs, 
Tndex,... 
. External Envelope, and Cutaneous Skeleton, 
Muscular System, and Organs of Locomotion, 
. Nervous System, 
. External Envelope, and Cutaneous Skeleton, 
. Muscular System, and Locomotive and esas Organs, 
. Nervous System, ...-. +e. 
. Organs of Sense, ... +... 
. Digestive Apparatus, ..... 
. Circulatory System, ...... 
. Respiratory System,. ..... 
Swe es we 
er ee rd 
Ce ee 
eee 
ey 
ee eee ee ee 
Pr er 
ee ee ee wee ee 
SECTION 
257-261 
. 262 
« 263-266 
. 267-269 
- 270-278 
