1:02 



A. HYATT — GEOLOGY OF THE TAYLOUVILLE REGION. 



Taylorville, < 'alifornia. 



Modiola, n. sp. 

 Mytilus, 11. sp. 

 Mytiius, n. sp. 



Pinna expanse,, n. sp. 

 Gervillia linearis, n. sp. 



t n rvillia giga/ntea, n. sp. 

 6r< rvillia gigantea, n. sp. 



Lima, n. sp. 



Lima, n. sp. 



Lima, n. sp. 



( 7^ nostreon, n. sp. 



Pecten acutiplicatus, Meek. J 



Z/im« sinuata, 



Lima recticostata, ) 



Pecten, n. sp. 



/'/ (/' //. n. sp. 



Entolium meeki, n. sp. 



Goniomya, n. sp. 

 Pholadomya, n. sp. 



Pleuromya, n. sp. 



Trigonia, n. sp. 

 Trigonia, n. sp. 



f 'idaris, n. sp. 



Glyphsea punctata, n. sp. 



Europe. 

 Modiola psilonoti, Quenst. ; lower Lias. 

 Mytilus psilonoti, Quenst.; lower Lias. 

 Mytilus lerquemianus, Chap< etDewal. ; 



lower Lias. 

 Pinna hartmanni, Auct. : lower Lias. 

 Gervillia lanceolata, Quenst.; upper 



Tans. 

 Gervillia aviculoides, Quenst. ; Oolite. 

 Gervillia betacalcis, Quenst.; middle 



Lias. 

 Lwm nodulosa, Terq. et Piette ; lower 



Li;is. 

 /V///'/ charta, Dum. ; lower Lias. 

 /,om/ galathea, Dum.; upper Lias. 

 Lima tuberculata, Dum.; lower Lias. 



Z/£m« acuticostata, Schubl.; inferior 



Oolite. 



Pecten textorius, Goldf. ; Lias and 



Oolite. 

 Pecten dextilis, Miinst. ; Lias and 



Oolite. 

 Pecten demissus, Goldf.; Lias and 



Oolite. 

 Goniomya v-scripta, Ag. ; upper Lias. 

 Pholadomya ambigua, Sow.: upper 



Lias. 

 Pleuromya striatula, Dum.; upper 



Lias. 

 Trigonia costata, Sow. ; middle Lias. 

 Trigonia costatula, Lycett; inferior 



Oolite. 

 ( 'idaris, Quenst.; upper Lias. 

 Glyphsea solitaria, Opp.; inferior 



Oolite. 



1 showed the unique fossil Glyphsea punctata, of which the carapace (with 

 the exception of the tip of the rostrum) is well preserved, to Professor 

 Walter Faxon, of the Museum of Comparative Zoology, well known as 

 an expert carcinologist, and he at once placed it in the Jura under the 

 name of Glyphsea. G. solitaria, ( >pp., of the lowest < >olite, zone of Trigonia 

 navis, is not only very close to our American form in the characteristics 



