WRITINGS OF C. D. WALCOTT. 199 



Page. 



P. ouonjrondirtna var. aurora, Hartt.ep., 1868, pi. v, flg. 5„ 3S-39, 318-319 



P.quadrata, Hartt, sp., 1868, pi. v, fig. 1 39,319 



P.orestes, Hartt, sp., 1868, pi. v, figs. 3, 3 a 39-40,319-320 



P.orestes var. thersites, Hartt, sp., 1868, pi. v, flg. 2 40-41,320-321 



F.Uner, Hartt, sp., 1868, pi. v, figs. 6, 6 a, 6 41^2,321-322 



The second part is on the ' ' Fauna of the Braintree argillites. " The author doubts the speci- 

 fic difi"erence between Paradooddes harlani and P. benctti. He describes the following forms: 



Hyolithes. Eichwald 44,324 



H.shaleri, n. s., Walcott, 1884, pi. vii, figs. 4, 4 a-c 44-45,324-325 



Paradozideg, Brongniart 45, 325 



P. harlani. Green, 1834, pi. vu, flg. 3; pLviii,flg3. 1,1 o-e; pi. ix, flg. 1 45-47,325-327 



Ptychoparia, Cotda 47, 327 



P. rogerti, n. s., Walcott, 1884, pi. vii,flg.2 47-48,327-328 



Agraulos, Corda 48,328 



A. quadrangulans, Whitfleld, sp., 1884, pi. vii, flg. 1 48-49,328-329 



The third part is " On a new genua and Species of Thyllopoda from the middle Cambrian." 



Page. 



Protocaris, n. g.,Waleott, 1884 50,330 



P.marshi, n. s., "Walcott, 1884, pi. x, flg. 1 ' 50-51,350-351 



25. 



WalcoIt, C. t). Paleontologic Notes. <^ Ainer. Jour. Sci., Sdser., vol. xxix, Feb- 

 ruary, pp. 114-117, pi. on p. 116. New Haven, 1885. 



0B0LID.S!. 



Pivge 



. tiinnartsonia, n. g., "Walcott, 1885 115 



Obolella chromatica, figs. 1, 2, p. 116 116 



Linnarssonia transversa, Hartt, sp., figs. 3, 4, p. 116 116 



Jj. sdgittatis, iigs. 5-8, p. 116 116 



L. transversa;, figs. 6, 7, p. 116 116 



26. 



WalCott, C. D. Paleozoic Notes; New Genus of Cambrian Trilobites, Mesonacis. 

 <|Amer. Jour. Sci., 3d ser., vol. xxix, April, pp. 328-330, figs. 2. New Haven, 



1885. 



Page. 

 Mesonacis, -a. g., Walcott, 1885, figs. 1, 2, p. 329 328-380 



27. 



Walcott, C. D. Note on some Paleozoic Pteropods. <:^Amer. Journ. Sci., 3d ser., 



vol. XXX, July, pp. 17-21, figs. 1-6. New Haven, 1885. 



Page. 



Matthevia, n. g., Walcott, 1885 17-18 



M. variabilis, n. s., Walcott, 1885, flg8. 1-6, p. 20 18-19 



!Note on Hyolithes (Camarotheca) emmonsi, 'Fotd 19-21 



