172 
Dr. K. Grünberg und Dr. R. Lucas: 
Villachuato, Michoacan, Mex.). — mexicanus Erichs. p. 649. Fundorte, Be- 
merk. u. S. w. ö 
Gruppe Ill. Type: Astacus bartonii Fabr. (3rd sgm. of 3rd pair of 
legs hooked. 1st pair of abdom. append. of Z thick, the inner and outer 
parts both terminating in a short recurved tooth) p. 649: bartonii Fahr. 
p. 649. — bart. robustus (Girard) p. 649. — longirostris Faxon p. 649-650. 
— longulus Girard p. 650. — latimanus (Le Conte) p 650. — diogenes Girard 
p. 650. — argillicola Faxon p. 650. — extraneus Hagen p. 650. Bindeglieler 
zwischen dieser u. d. girardianus Faxon lassen die letzt. zu einer subsp. 
herabsinken, extran. girardianus p. 650. Fundorte ders. u. sonst. Bemerk. 
GruppelIV. Type: Astacus affinis Say (3rd. sgm. of 3rd pair of 
legs of 5 hooked. 1st abdom. appendages of & bifid, terminating in two 
styliform branches, which are straight or lightly recurved) p. 651: laneifer 
Hagen p. 651. — indianensis W. P. Hay p. 651. — sloanii Bundy p. 651. — 
propinquus Girard p. 651—652. — obscurus Hagen p. 652. — neglectus Faxon 
v. 652. — virilis Hagen p. 652 - 653. — longidigitus (mit virilis verw.) p. 653 
—654 SQ Taf. LXII Fig. 6-9 (Oxford Bend, White River, Arkansas). — 
immunis Hagen p. 654-655. — imm. spinirostris Faxon p. 655. — Palmeri 
Faxon p. 655. — palm. subsp. longimanus n. p. 655—6 Taf. LXIV Fig. 1-6 
(Good Land, Indian Territory; Walnut Creek, Kainister, Indian Territ.; 
Arthur, Texas). — diffieılis (leicht mit palm. longimanus zu verwechseln, 
doch an den männl. Geschlechtsanhängen unterscheidbar) p. 656 657 &2Q 
Taf. LXV Fig. 1—4 (Me Alister, Indian Territory; Prairie Grove, Washington 
County, Arkansas). — Meeki (von all. Sp. versch., allg. Auss. wie rusticus) 
p. 657-658 JQP Taf. LXV Fig. 5-9 (Walnut Fork, Piney, Arkansas, 
Fayetteville, Arkansas). — rustieus Girard p. 658. — spinosus Bundy p. 658 
—659. — Erichsonianus (Aussehen wie spinosus, aber männl. Geschlechts- 
anhänge wie propinguus) p. 659—660 & Taf. LXIV Fig. 7—12 (Rip Roaring 
Fork, 5 miles northwest of Greeneville, Tenessee, Eastanaula Creek, Athens, 
Tennessee, Matlock Spring Creek, near Athens, Tennessee; Big Cahawba River, 
Alabama). — forceps Faxon p. 660. 
Gruppe V. Type: Cambarus montezumae Saussure (3rd sgm. of 2nd 
and 3rd pairs of legs of & hooked 1st abdom. append. similar to those of 
Group IV) p.660: montezumae Sauss. p. 660. — montez. subsp. Dugesü n. 
p. 660—661 Taf. LXVI Fig. 1 (State of Guanajuato, Mexico). — montez. 
subsp. oceidental’s n. p.661 Taf. LXVI Fig.3, 4 (Mazatlan, Mexico). — 
chapalanus (montez. ähnlich) p. 661-662 g' Abb. Taf. LXVII Fig. 1, 2. 
Untersch. von verw. Formen. (Lake Chapala, State of Jalisco, Mexico). 
(Cambarus) gallinus Cockerell & Porter, Proc. Acad. Philad. 1900 p. 434 (Gallinas 
River, Las Vegas, New Mexico). — putnami Faxon (Erie) Doflein (4) p. 132. 
— pilosus Hay, Proc. U. S. Nat. Mus. vol. XXII p. 121 & (Kansas), 
— clypeatus p.122 9 (St. Louis Bay, Mississippi). 
Cambarus. Charaet. der Gatt. Hay p. 961. — Abb. u. Terminologie p. 965. — 
Liste der zahlr. Spp. — Gruppirung der Formen des östl. Theiles von 
N.-Amer.: 
1. First pair of abdom. appendages of the -clavate; the outer part 
tıuncate at the tip and provided with 1 or 3 curved teeth, the inner part 
terminated by a short acute curved spine, 
