DECAPODA. 
223 
PORCELLANID^. 
Porcellana platycheles (Penn.) described by Macintosh, Mar* Invert, 
of St. Andrews, p. 160. 
Porcellana sp., from Portugal, described without name, by Brito 
Capello, J. Sc. Lisb. iv. p. 238. 
Porcellana^p.^ male appendages ; Brocchi, h c. p. 40, pi. xv. figs. 68 & 69. 
; Galateid.®. 
Galatea strigosa (L.), male genitals ; id. 1. c. p. 14, pi. xiv. figs. 25, 26, 
29-31. 
Grimotea gr eg aria (F.), male appendages ; id. 1. c. p. 16, pi. xiii. figs. 
20 & 21, pi. xiv. figs. 23 & 24. . 
» 
Palinurid.®. 
Palinurus vulgaris (Lam.), male genital organs ; id. 1. c. p. 8, pi. xiii. 
figs. 1 & 2, and pi. xiv. fig 22. 
Palinurus edwardsi^ sp. n., Hutton, Ann. N. H. (4) xv. p. 42, New 
Zealand. 
ScYLLARlDiE. 
Scyllarus arctus (L.), male genitals ; Brocchi, 1. c. p. 12, pi. xiii. fig. 19, 
and pi. xiv. fig. 32. 
ASTACIDiE. 
The common crayfish attracted by red-coloured objects ; Zool. Gart. 
1876, p. 37. Its male genital appendages described by Brocchi, Ann. 
Sci. Nat. (6) ii. art. 2, p. 21, pi. xiii. figs. 8-14. 
Homarus vulgaris (M. E.), male appendages and spermatopliores ; 
Brocchi, 1. c. p. 28, pi. xiii. figs. 3-7. 
Nephrops. norvegicus (L.), male appendages ; id. 1. c. p. 30, pi. xiii. 
figs. 16-18. 
Cambarus pellucidus (Tellk.) observed in the living state by F. W. 
Putnam ; it is very timid, and not at all voracious ; lost parts are not 
reproduced in perfection on one shedding of the shell,’ but at each 
moulting they become more nearly perfect than before ; the great claw 
requires about four moulting periods before being restored to its full 
size, the posterior legs two ; the antennae are redeveloped more rapidly 
and approach their full size in one moulting. P. Bost. Soc. xviii. 
pp. 16-19. 
Eutrichocheles) g. n., for Astacus niodestus (Herbst, 1794), again found 
by J. Wood-Mason, P. A. S. B. 1875, p. 231. 
Polycheles (Heller, 1862) ) = Deidamia (Willemoes-Suhm, 1873) =: 
Willemoesia (Grote). Heller’s description translated, and a new family, 
Polychelidce^ proposed for it by J. Wood-Mason, Ann. N. H. (2) xv. 
pp. 131-135. Willemoes-Suhm distinguishes three species, W. lepto- 
