IMH'X ItlItLIOGItAI'lliyi K 3U) 



Scilll.ui.N- (M.-A.j. — Ar^iupc Ko^'ala'shii. Kiii Hcilrag ziir Kc-mitiiiss diT I5racl)i<i|)i.- 



doii. (Zcilschr. f. wiss. Zool., XLI, p. llG-l'il, 2 pi.) 1S«5 



Siiii'LKV (K.-A) — On tho Slrucliirc aiid Devolopmciit oC Ar-;i<>pe. (Millhcil. d. zuul. 



Slal. Noiipel, IV, p. VI'i-52(>, pi. 3'.l-'i()) 1«83 



Uiachiopoda. (The Cambridge Naluial llislory, III, p. /|63-512, fig. 312-33'i) 18'J5 



Soi.LAs (W. -,).). — Cœeal processes of shells uf 15rachiop..ds. (Proc. Koy. Soc. Dublin, 



V, p. 31S-320, fig. 1) 1«87 



Uliuch (E.-O.). — On lowcr Silnrian liryozoa of Minnesota. (Gcology of Minnesota, 



III, 1, Pal.u.ntology. Cbap. IV, p. y6-332, pi. 1--2.S) 18'J5 



VoGT (C). — Anutomie der Lingiila aiialina. (Ncue Denksclir. d. Schwciz. Gescllsch. I. 



Nalurw., VU, 18 p., 2'pl) 18'i5 



\SA.\.i;ii.N (W.). — Sait Kange fossils. (Meni. Geol. Survey of Kast Indiaj 1885 



Williams (H. -S.). — Brachial ai)paratus of hiiiged Ijrachiopoda. (Proc. Rochesler 



(N. Y.) Acad. Se, II, p. 113-118) 18'J3 



Wi.NciiELL (N.-U.) and SciiuiMiEKT (Ch.) (1). — The lower Silurian iSrachiopoda of 



Minnesota. (Geology of Minnesota, III, 1. Paleontology. Chap. V, p. :i'j:i-'i74, 



pi. 2y-3i) " 18^5 



