L 



THE FOSSIL STALK-EYED CRUSTACEA 107 



C'. Manus longer than broad. 



D\ Upper surface of manus broadly rounded, without a marginal line ; 



cross-section broad-oval fresnoensis (Eocene), p. 109. 



D'. Upper surface of manus with a definite, more or less acute, margin. 

 E\ Dactylus broader than fixed finger, their bases separated by 

 a gape into which projects from the manus a broad shal- 

 low lobe composed of two lobules, the lower lobule having 



a denticulate margin porterensis (Oligocene), p. 119. 



E'. Dactylus and fixed finger of equal or nearly equal width ; 

 gape narrow or absent. 

 F'. Carpus, or wrist, short, broader than long. 



whiteavesii (Cretaceous), p. 107. 

 F'. Carpus elongate, longer than broad. 



G '. Socket-bearing tubercles of fingers prominent. 



oregonensis (Oligocene, probably), p. 121. 

 Gl Sockets sunk below surface of fingers. A tooth on 

 proximal half of each finger. 



longimana (Pleistocene and Recent), p. 122. 

 A'. Manus irregularly and minutely wrinkled. (Not seen by present writer). 



stimpsonii"' (Eocene), p. 107. 



Species in which only the Angers are known 

 Fingers without a prehensile lobe or tooth stephensi (Pleistocene), p. 122. 



CALLIANASSA WHITEAVESII Woodward 



Plate 20, figs. 6-8 



Callianassa whiteavesii Woodwakd, Quart. Journ. Geol. Soc. London, vol. 52, 



1896, p. 223, text-figs. 1 and 2 ; Geol. Mag., n. s., dec. 4, vol. 7, 1900, 



p. 435, pi. 17, fig. 2 a, b. — ^Whiteaves, Mesozoic fossils, vol. 1, pt. 5; 



Geol. Sur. Canada, Ottawa, 1903, p. 319, text-figs. 18 and 19. 



Occurrence.— British Columbia: Comox Kiver, Vancouver Island; 



Cretaceous (type-locality) ; types (pi. 20, figs. 6 and 7) in Museum 



of the Geological Survey, Ottawa. 



Northwest Territory : Township 30, range 8, west of fourth princi- 

 pal meridian ; Cretaceous (Woodward) . (See pi. 20, figs. 8a and 8h.) 

 Figure Sb, plate 20, apparently represents the normal length of 

 the immovable finger. 



CALLIANASSA STIMPSONII Gabb 



Callianassa stimpsonii Gabb, Palaeontology of California, vol. 1, sec. 4, 

 1864, p. 57, pi. 9, fig. 1, a, h, c; vol. 2, sec. 2, 1869, p. 127, pi. 19, fig. 3 

 (correction of pi. 9, fig. 1 b) ; Proc. California Acad. Sci., vol. 3, 1867, 

 p 302 (type-localities, California: " Chico Creek, Chico Group, Upper 

 Cretaceous series; Clayton and Canada de las Uvas, Tejon" Group," 

 Eocene series (Cretaceous of Gabb).— Heilpbin, Proc. Acad. Nat. 

 Sci. Phila., vol. 34, 1882, p. 197.— Cooper, California State Mineralogist, 

 7th Ann. Kept., 1887 (1888), p. 271. 

 "Hand subquadrate, flattened, equally convex on both sides, 

 slightly twisted. Upper and lower edges acute ; the lower one crenu- 



Bo Not G stimpsoni Smith, 1873. Recent, which may be known as C. atlantica, new name, 

 n Dr G. Dallas Hanna says in a letter, " It seems doubtful if any of Gabb's material 

 came from the type section of the Tejon although the species was reported from there." 



