KuTo. 304 



Geol. Vt. figs. 347, 349 ; Geol. Can. figs. 287, a. h. ; Pal. Foss. I 

 figs. 8, ^,— Ololella pUllipsi, Davidson, Mon. B. F. B. Ill, p. 

 62, pi. 4, figs. 17 — 19. — Kutorgina cingulata^ var. picsilla^ Lin- 

 narson, Brach. Par. beds Sweden, S. V. AK. Hand III, pi. 4, 

 fig 53, 54.) Walcott, Bull. U. S. G. S. No. 30, page 102, plate 

 9, fig. 1, front view; 1 a, side view; 1 5, back view of large 

 shell, mostly denuded of outer surface. Fig. 1 c side view of 

 small shell, to show variation in height of dorsal valve. Fig. 

 1 d^ cast of inside of dorsal valve, with muscular scars. Fig. 

 1 6, dorsal valve, enlarged. Fig. 1 /*, inside of dorsal valve ; (1 

 g omitted) ; 1 h flattened specimen (ventral valve?) from Par- 

 ker's quarry shales. — Lower Camhrian (Georgian) formation of 

 Labrador; abundant, with Olenellus thompsoni^ in limeshales, 

 near Swanton, Vt.; compressed casts at Parker's quarry, Vt.; 

 identified in Wales and Sweden ; and on Silver Peak, Nevada. 

 Z. C. — See foot-note to page 1S4. 



Kutorgina labradorica. {Oholus lahradoricus^ Billings, 



Palaeoz. 



^^. ^1^ 2. P''^* Foss. I, 



/ \^^ Walcott 



"^-^^^^ ' Bull. U. 



S. G. S. No. 30, page 104, plate 9, fig. 2 and 2 ^, ventral valves, 

 enlarged \ 2 J, dorsal valve, enlarged. — Lower Cambrian 

 {Oeorgian) formation, near Swanton, and near High Gate 

 Springs, Vt., and in Labrador. — Z. (7. 



Lamellibranch shell-flsh are those which have two ex- 

 actly similar but lopsided valves, like the Scallop^ and the two 

 valves cover the right and left sides of the animal ; whereas 

 Brachiopod shellUsh have two unlike but symmetrical valves, 

 covering the back and belly of the animal, like the Lampshells 

 of the present day. 



Lambdodus -fish scales frequent in Meadville upper lime- 

 stone. Crawford Co., Pa., (Q4, p. 83) — X. See Appendix, 



Lampterocrinus parvus. See Appendix. 



liOaia leidyi. See figures, natural size and magnified to 

 show sculpture under Leperditia okeni. 



