25 Crust. 
CKUSTACEA. 
Say), and sayana (Stimps., 1860) = cylindrica (Smith, 1874, nec Say), 
comparatively described ; the short-spined Zoea described by Faxon & 
Smith belongs to the former, and the loog-spined Zoea of both probably 
to the latter. S. F. Smith, Tr. Conn. Ac. iv. pp. 247-253. 
Holothuriophilus, g. n. Cephalothorax broader than long, front 
arcuated, lateral and hinder edges straight ; merognath dilated inwards, 
carpognath greater than prognath, dactylognath club-shaped at the tip. 
JI. trapeziformis, sp. n., parasitical in Holothuria maxima (Semp.). Nauck, 
Z. wiss. Zool. xxxiv. p. 66. 
Gbapsidj}. 
Kingsley, P. Ac. Philad. 1880, pp. 187-224, gives an analytical key of 
the 34 known genera, and arranges them as follows, enumerating the 
known species of each of them with synonymy and localities : — 
Subfamily Grapsin^. 
Tribe Grapsini: Goniopsis 1 species, Metopograpsus 3, Epigrapsus 1, 
Grapsus 6, Geograpsus 4, Leptograpsus 1, Grapsodes 1, Cyclo- 
grapsus 2, Pachy grapsus 11, Nectograpsus 1, Brachygrapsus 1, 
Ptychognathus 4, Acmceopleura 1, P seudograpsus 3, Varuna 1, 
Utica 3, Glyptograpsus 1, Heterograpsus 13, Eriochir 3, Para- 
grapsus 1, Platygrapsus 1 species. 
Tribe Sesarmini : Metasesarma 3 species, Sarmatium 6, Rhaconotus 1, 
Sesarma 61, Aratus 1, Clistocceloma 1, Helice 9, Cyclograpsus 5, 
Chasmagnathus {Paragrapstis) 7 species. 
Subfamily PLAGUSiiNiE. Plagusia and Liolophus. 
Grapsus pictus (Lam.) = maculatuSy pharaonis, ornatus^ and webhi 
(M.-E.) = altifrons (Stimps.), widely distributed in the Atlantic and 
Pacific, an immature specimen taken alive in Cape Cod Bay ; S. F. Smith, 
Tr. Conn. Ac. iv. pp. 257-259. Note on its mode of life on the rocks of 
Port Douglas, N.E. Australia, J. E. T. Woods, P. Linn. Soc. N. S. W. v. 
p. 117. 
Grapsus him, sp. n., Kingsley, P. Ac. Philad. 1880, p. 194, West 
Indies. 
Metopograpsus messor, var. n. frontalis, Miers, Ann. N. H. (5) v. p. 311, 
Celebes. 
Pachygrapsus transversus (Gibbes) = innotatus (Dana) = rugulosus 
(M.-E.) = miniatus, and duhius (Saussure) = intermedins (Heller) = 
socius (Stimps.), widely distributed in the Atlantic and Pacific, 4 
specimens taken alive in Cape Cod Bay ; S. F. Smith, 1. c. pp. 260-262. 
Pachygrapsus socius (Stimps.) is probably a variety of transversus 
(Gibbes) ; Miers, J. L. S. xv. p. 86. 
Euchirograpsus americanus, sp. n., A. Milne-Edwards, Bull. Mus. C. Z. 
viii. p. 18, Barbadoes, 69 fath. 
Sesarma gracilipes , picta (De H.), affinis (Do H.) distinct from 
the preceding, eydouxi (M.-E.), rotundifrons (Alph. M.-E.), tceniolata 
(White), hocourti (Alph. M.-E.), hidens (De H.), smithi (M.-E.), all from 
the Malayan Archipelago, rotundifrons and smithi, also from Madagascar, 
