Crust. 1 
X. CRUSTACEA. 
(Including GIGANTOSTRACA and PYCNO 
GONIDA.) 
BY 
W. T. Calman, D.Sc. 
CONTENTS. 
Introduction 
Page 
2 
IV. Systematic 
Crustacea 
I. Titles 
3 
II. Biology 
1. Morphology . * . . . 
21 
2. Physiology 
22 
3. Reproduction & Develop- 
ment 
22 
4. Autotomy & Regeneration 
23 
5. Bionomics 
23 
a. General .... 
23 
b. Habitats .... 
23 
c. Symbiosis & Parasi- 
tism 
24 
6. Variation & Abnormalities 
24 
7. Phylogeny & Classification 
24 
8. Miscellaneous .... 
25 
III. Distribution 
1. Geographical 
25 
A. Land & Fresh-water 
25 
a. Palsearctic Region . 
25 
b. Oriental .... 
26 
c. Ethiopian . . . 
26 
d. Nearctic .... 
27 
e. Neotropical . . . 
27 
f. Australian . . . 
27 
B. Marine 
27 
a. Atlantic & Medi- 
terranean . . . 
27 
b. Indo-Pacific. . . 
28 
c. Arctic & Antarctic 
29 
2. Geological 
29 
A. Malacostraca 
1. Decapoda . . . . 
a. Brachyura . . 
Oxyrhyncha . 
Cyclometopa. 
Catometopa . 
Oxystoraata . 
Dromiacea . 
IncertfB Sedis 
b. Anomura . . 
Galatheidea . 
Paguridea 
Hippidea . . 
c. Macrura . . . 
Nephropsidea 
Eryonidea 
Thalassinidea 
Caridea . . 
2. Schizopoda . . . 
3. Stomatopoda . . . 
4. Cumacea . . . . 
5. Tanaidacea . . . 
6. Isopoda 
Asellota . . . 
Phreatoicoidea 
(Vacant) . . 
Flabellifera . . 
Valvifera . . . 
Epicaridea . . . 
Oniscoidea . . . 
Stenopidea 
Penseidea . 
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