PLATE1/, 



TERMS USKD IN COlfCHOLOGY. 



SP1HAT, OR SITBSPHKA1. SHELLS. 



.l/'im IVhfiJ-l.t trrr 



N..B. a.. Summit or nucttus. b, Munnn <>r ' r>i<>nth .'/ /'?n.?fntn?. t: Tht inner ->r t v?HfrifH,i t<[> ,/ ffafsr hf) r.I\-,'nt, ><?#?. f. ffindtr eAyt of month.. 

 y 77n- ht'ff'-tr -urur or innJ>i/tcn.\- ft Sptr.- i . First ' whar? . & B,f\- nht>rt I Sulnrv rn . Mu.wtJur- i*tf>r?J~sitni . 

 t /*</ w //// n-hwfo. 



M'.'H'ifh.r., ,/,./ 



