10 Crust. 
X. Grustacesu 
[ 1919 ] 
Decapoda in Mangrove swamps, 
Brazil ; Luederwaldt, 70. 
Plankton, Marine ; Herdmann, 55 
56. 
Subterranean, Bathynella {Syncar.) ; 
Delachaux, 39 : Qammaridea ; Isnard, 
58. 
Parasitism, Commensalism, &c. 
On Fish, Gope'poda ; Leigh-Sharpe, 
68; Wilson, 115, 116. 
On Crinoid, Qammaridea ; Shoe- 
maker, 06. 
On Annelids, Gopepoda ; Caullery 
ot Mesnil, 16. 
On Gruatacea, Epicaridea ; Caullery 
et Mesnil, 14. 
Larvae of Dibothriocephalus in 
Cyclops ; Janicki and Rosen, 59. 
Fungi in gut, Oniscoidea ; Boissevain, 
8 . 
Association of Paguridae' with sea- 
anemones ; Cowles, 34. 
VARIATION AND AETIOLOGY. 
2623 
Variation. 
Potamon {Cyclom.) ; Matteotti, 74. 
Var. in development, Gopepoda ; 
Currie, 36 ; Larval variations, Palae- 
inonetes {Car id .) ; Sollaud, 99. 
Mutations in Atyidae (Carid .) ; Bou- 
vier et de Charmoy, 6 ; Golosi, 31 ; 
in Atyidae &nd Euphausiacea ; Colosi, 
30. 
Inheritance of varietal characters in 
Cyclops ; Byrnes, 10. 
Teratology. 
Abnorm. head appendages, Para- 
chaeraps {Nephropa.) ; Raff, 85. 
Intersexuality in Daphne {Gladocera ) ; 
de la Vaulx, 108. 
DISTRIBUTION. 2627 
1. GEOGRAPHICAL. 
A. General. 
[Vacant.] 
B. Land and Freshwater (including 
Salt Lakes.) 
Records of Potainonidae {Oyclorn.)', 
Colosi, 29. 
Europe and MediteiTanean 
Islands. d 
Asellus ; Racovitza, 83. 
Denmark, Fureso, Crustacea ; Wesen- 
berg-Lund, 114. 
Finland, Gladocera ; Jarnefelt, 60 ; 
Wuorentaus, 117. 
Caucasus, Oniscoidea ; Verhoeff, 
no. 
Germany, Oniscoidea ; Dahl, 37 ; 
Bonn, Oniscoidea, Talitrus {Garnm .) ; 
Grave, 45. 
British Ids., Oniscoidea ; Collinge, 27 ; 
Yorkshii-e, Oniscoidea ; Stainforth, 
100: East Sussex, OAitscoidea ; Hastings 
and E. Sussex Nat. 3 No. 2 1919 pp. 
4 - 7 . 
France, Oniscoidea ; Verhoeff, 110 : 
Jura, Gladocera ; Vandel, 107 : S. 
France, Asellus ; Racovitza, 84 ; Nice, 
Qammaridea ; Isnard, 58. 
Italy, Oniscoidea; Verhoeff, 110: 
Pavia, Gladocera ; Bravo, 7. 
Switzerland, Neuchatel and Berne, 
Bathynella {Syncar.) ; Delachaux, 89 : 
L. of Geneva, Gladocera, Gopepoda ; 
Aimer oth, 1. 
Austria, Oniscoidea ; Verhoeff, 109 : 
Istria (brackish), Gopepoda ; van 
Douwe, 40. 
Asia and Malay Archipelago. e 
Japan, Formosa, Hainan, Caridea ; 
Parisi, 79. 
Tonkin, Garidina {Carid.) ; Bouvier, 
5. 
Chilha Lake and Cochin, India 
(brackish), Gopepoda ; Sewell, 95. 
Syria, Asellus ; Racovitza, 84 : 
Palestine, Oniscoidea ; , Verhoeff, 110. 
Africa and Madagascar. / 
Algiers, Asellus ; Racovitza, 84. 
Natal, Oniscoidea; Collinge, 28. 
Madagascar, Garidina {Oarid.) ; 
Bouvier, 5. 
North America. <j 
[Vacant.] 
Central and South America and 
West Indies. 
Honduras, Gopepoda ; Marsh, 73. 
Colombia, Venezuela, Brit. Guiana, 
Potamonidae {Cyclom.) ; Rathbun, 87. 
