,'322 



CKKTACKOL'S LA.M KU J I'.iiAXCII I A. 



ivacliiiiL;- tlicir iniixiimmi lici^lit not far fVdin the iiiiiho. 'I'lio variety Chiricri 

 ranges from tlie zone oF Trrcl'i-iihiliiin lata to tlie zone of Micrai<ter cor-anguinum. 



T. M(i)itdli, de ]\Ierce_v,' from the zone of Min-'isler cor-iinf/ninum, appears to 

 ])(■ a large form of /. Lauiarchi var. CiLcleri, in wliieli an anterior ear is developed; 

 it is similar to a specimen (Fig. 74-) obtained i)y Dr. Blackmore from the zone of 

 Mirrtisifpf (■iij--iiii)iiiiiinn/ of Camp liill neai- Salislmrv. 



1..__-9 



^^^-: 



y 



Kk; si. — Iiiorpi-niiiiK l,,iiiH(irli vnr, C'lit'icri, Sow. Z.>no of Tci-fhi-iilalinii lutii, Bluo Bi-ll Hill, liui-liam. 

 Mr. Dililcy's Cdllctti.Mi. Left Viilvc with imstcriur part luissiii!,' ; antcrim- view of the same valve. x J. 



7. /ii-i-i-i)st,ifiis. .Midler- ('especially tlie example tignred liy IV'traseheek''), seems 

 to be closelv allied to f. I,ii iiKirfl/i xar. II ('/(.s7r/-/. 



Ti/pc!^. — /. I]iiinitri-l-i, I'ai'kinson ( l''ig. (>:')), IVom near Dover ( [iroKalily /.one of 



' • Mem. 8ne. Linn. Nonl .Ir la Knuiei',' vol. iv (1877), p. o-Jt. [ils. i. li. Barrel-. ' .\.un. Sne. 

 ^■eol. Nunl," v.il. vi (187lt). 1'. 4.')t. pi. iv. 



- ' Jalnli. (1. k. pivuss. <,'('(.!. LiUKlo^aiist. u. Bi'ri,'aka<l. fiir 1887' (1888), p. 413, pi. xvii, fig. 3. 



= • Jaliili. il. k. k. t:eoi. Reielisanst.,' vol. hi (IHUC), p. Iti3, fiij. 2. Also I. Glatziic ami /. Klelin, 

 ,\n(lci-t. • Iiioeeraincn .1. Kreil.it/,-Zitlaufr Samlstciiigcl).' (lUIl ), ].p. ts, r,->. pi. i, fig. 3, pi. ii, tig. 8. 



