Crustacea für 1898-1900. 373 
3 rd sgm. of 3 rd and 4 th pairs of legs of 31 hooked 
(„Group I“ of Faxon). 
Hierher: C. blandingii, bland. acutus, fallax, hayi, clarkii, troglodytes, 
lecontei, angustatus, pubescens, spieulifer, versutus, alleni, evermanni, bar- 
batus, wiegmanni, pellucidus, pell. testii, acherontis. 
3 rd sgm. of 3 rd pair of legs of & hooked. („Group II“ of Faxon). 
C. simulans, mexicanus, advena, gracilis, carinatus, cubensis, (= conso- 
brinus Sauss.), carolinus, (2) elypeatus. 
2. First pair of the abdom. appendages of the $ terminated with 2 
faleate teeth, the larger of which belongs to the outer part of the appen- 
dage, the smaller to the inner part. 3 rd sgm. of 3 rd pair of legs of & 
hooked. („Group III“ of Faxon). 
Hierher C. bartonii, bart. robustus, longulus, long. longirostris, 
(= bartonii longirostris Fax.), dubius, uhleri, latimanus, acuminatus, 
girardianus, extraneus, jordani, argillicola, diogenes, diog. ludovicianus, 
cornutus, hamulatus u. setosus. 
3. First pair of abdom. app. of the & fureiform, terminating in 
2 elongated nearly straight, acute tips. 
3rd sgm. of 3rd pair of legs of & hooked. („Group IV“ of Faxon). 
Hay stellt dazu: lancifer, affinis, indianensis, sloanii, propinguus, prop. 
obsceurus, prop. sanbornii, neglectus, harrisonii, virilis, immunis, imm. spini- 
rostris, hylas, pilosus, nais, mississippiensis, palmeri, palm. longimanus, 
longidigitus, diffieilis, meckii, erichsonianus, alabamensis, compressus, 
medius, rusticus, spinosus, putnami, forceps u. digueti, 
3 rd sgm. of 2 rd a3 rd pairs of legs of & hooked. 
(„Group V“ of Faxon). 
Hierher: montezumae, mont. dugesii, mont. areolatus, mont. oceidentalis, 
shufeldtii u. chapalanus. 
Bestimmungstabelle der gen. Spp. p. 961—966. 
Campatopsis Charakt. Alcock, Deep Sea Brachyura coll. by Investigator p. 75. 
— rubida p.76 Taf. IV Fig.3 (Andamanen See). 
Camposeia retusa Latr. von Rotuma. Borradaile (5) p.573. — Von Singapore, 
Lanchester (1) p. 721—2. — Von Amboina. Nobili (8) p. 251. 
Campylostoma matutiforme Bell. Ergänz. Beschr., Verbr. Carter, p. 30—31. 
Cancellus parfaiti Edwards & Bouvier, Decap. Exped. Trav. p.183 Taf. XXIII 
Fig. 20, 30. 
Cancer. Nordamerik. Sp. Rathbun, American Naturalist, vol. 34. p. 133—134. 
Bestimmungsschlüssel für die Sp.: magister Dana. (Abb. des Umrisses Fig. 1), 
produetus Randall, gracilis Dana, gibbosulus (de Haan), jordani n. sp., an- 
thonyi Rathbun, borealis Stimpson, irroratus Say, antennarius Stimpson, 
oregonensis (Miers) u. amphiaetus Rathbun. — jordani n.sp. p. 133 (Monterey 
Bay to San Diego), vollständ. Beschr. erfolgt in Proc. Un. States Nat. Mus. 
Untersch. von jord. u. gibbos. 
Fronto-orbital width }/, the width of the carapace. Carapace strongly 
areolated gibbosulus. 
Fronto-orbital width nearly !/, the width of the carapace. Carapace 
slightly areolated jordani. 
