346 CON'TRIBUTHiXS TO CANADIAN' PAL,'EONTOLO(i Y. 



(S-) GyROCEHAS FILICINdTUM. 



(Itirvceriis ilifinetum, Whiteaves, ISill. Trans. Royal Sue. Canada, vul. Y'lII, fciect. 



4, ].. 107, I'l. ix, tig. 3. 



Pentamerus Point, Lake Manito))a, J. B. Tyrrell and J. F. "W'liiteaYes, 

 18SS : one fragment. Daw.scin Bay, Lake "Winnipegosi.s, at the mouth of 

 the Eed Deer River (three specimens), and the first small point north of 

 the mouth of that river (one specimen) ; J. B. Tyirell and D. B. Dowling, 

 18,s9. 



(jYROrERA.S SUiniA,MILLATU:\r. 



(yjiroccrn^ Siihi/inm(flat\i)ii, Whiteaves. ISlll. Trans, lloyal .Sue. Canada, \ol. VIII, Sect. 

 4, i>. 107, 111. .\, Hgs. 1 and la. 



Snake Island, Lake Winnipegosis, Professor H. Y. Hind, iSoS: the 

 •specimen jeferred to l)y E. Billings on page 1S7 of Hind's Keport of the 

 Assiuiljoine and Sa.skatchewaii Exploring Expedition as " a species of 

 NaiUihisuy (I'l/rorrrns." Steep Buck Point, Lake Manitoba, J. B. Tyrrell, 

 LSSS : one imperfect specimen. Lake Winnipegosis, at the north end of 

 Snake Island (a laige fiagment), on S(juth Manitou Island (two specimens), 

 and on a small island off "Weston Point (one specimen) ; also at Swan 

 Lake, ^Manitoba, near the mouth of the Swan Ri\'er (one .specimen): J. 

 B. Tyrrell, ISSO. 



CRUSTACEA. 



Cs'l'ltAOODA. 



IsociiiLiNA Dawsoni, Jones. 



Isochili'lui D'f>r.'<oni, Jones. IS'.)]. C'Oiltr. tei Canad. M Jcvo-PaUeont., veil. I, |it. ;^., p. 93, 

 woudeuts 7a, Ij. *-. 



South-east side of Dawson Bay, Lake Winnipegosis, on a small island 

 noi-th of AVhitea\es Point, J. B. Tyrrell, ISS!) : a few casts of the interior 

 of separate vahes. 



Elpe Tyrrellii, Jones. 



EIpe Tiin-eUii, Jones. l.S'.ll. Contr. to Canad. Micro-PalK'ont., vol. I, pt. 3, p.!)3, wood- 

 cuts 2 a, b, c, (a niis]irint for H a, li, c).^' 



Same locality, collector and date as for the preceding species : one 

 cast of the interior of both valves. 



*By an nnfoitunate mistake the tigurf'S are numliered 2a, 2b, 2e, but the e.xplaiiations 

 immediately below them are coriectly stated to be those of figs. 8a, h, u. 



