22 Gi'ust. 
X. CRUSTACEA. 
[1904] 
Tertiary parasitism of Extmetor {Epicaridea) on Saccidina — Pinnotheres — 
Spondyliis; Pj^rez (158). 
Parasites of Crustacea: Epicaridea and other Crustacea, see above; 
Microsporidian parasite in Carcinus mcenas; P^rez (159). 
6. Variation and Abnormalities. [See also 4, above.] 
Statistical investigation of variation in Atya'epliyra ; Brozek (27). 
Mutations in Atyidce; Bouvier (19). 
Variation in Cladocera; Ekman (56), Linder (114): Local variations of 
Holopedium ; Stingelin (213). 
Co] our-variety oi Astacus; Bouvier (21). 
Case of " reversion " in Scalpellmn ; Hoek (85). 
Variation in number of $ genital apertures in Nephrops ; McIxTOSH 
(119). 
Dimorphism in Gnathia maxillaris {Isopoda) ; Smith (198). 
Experimental evidence as to direct influence of temperature on variation 
oi Cladocera; Ostwald (151). 
Abnormality in leg of Camharus ; Andrews (7) : Abnormal chelse of 
Cancer and Homarus; Scherren (188). 
7. Phylogeny and Classification. 
Systematic relationships of Crustacea; Lankester (111): of Phyllo- 
carida; Thiele (219) : oi Branchiura; Thiele (218). 
Classification of Malacostraca ; Calman (32), Grobben (68): of Cirri- 
pedia; Gruvel (71). 
Relationship of Pollicipes and Scalpellum ; Hoek (85). 
Generic and sexual characters in Splmromidce (Isopoda); Holmes (88). 
Systematic importance of chromatophore-system in Decapoda and 
Schizopoda (incl. Anaspides) ; Keeble & Gamble (101). 
8. Miscellaneous. 
Bibliography for 1895-1897 ; Grunberg, Lucas & Thiele (70). 
General account of Crustacea ; Grobben (68). 
Guide to dissection of Crayfish ; Anglas (8). 
Size of Macrocheira ; Anon (10). 
Nomenclature : Giard (66), Rathbun (166 & 168), Richardson (175). 
Economic : — Crustacea as food of freshwater fish ; Guccini (76) : 
Problems connected with shrimp {Crangon vidgaris) fishery; Herdman 
(83) : Artificial hatching of lobsters ; Herdman (84) : Crab and Lobster 
fisheries of Northumberland ; Meek (130) : Edible Crustacea of Thames 
Estuary; Murie (141): Crab fishery of New York; Paulmier (154): 
Crustacea in relation to puritication and restocking of rivers ; Weigelt 
(231): Plankton investigations in relation to fish culture; Zacharias 
(249). 
III. DISTRIBUTION. 
1. GEOGRAPHICAL. 
Distribution of Isopoda; Richardson (173) : of Argulida;; Thiele (218). 
A. Land and Fresh-water (includiDg Salt Lakes). 
Distribution of Caridiaa and Potamon {Decapoda); Roux (178): of 
Laophonte [Copepoda] ; Zykoff (255). 
