168 CALIFOKNIA ACADEMY OF SCIENCES. 



minuscula Nov. and rhenana Nov., P. fecundis Barr., P. cf. ferdi- 

 nandi Kayser, P. cf. zorgensis Kayser, P. sp.? Harpes kayseri n. sp., H. 

 reticulatus Cord. Lichas ( Arges) haueri Barr., If. (Arges) maureri n. sp. 

 Acidaspis pigra Barr., A. (Trapelocera) vesiculosa Beyr. Cheirurus (Crota- 

 locephalus) cordai Barr. Bronteus speciosus Corda., B. dormitzeri Barr. var. 

 applanata. Harpes montagnei Cord., H. reticulatus Cord. Cyphaspis 

 scuticauda n. sp. Harpes fornicatus n. sp. Bronteus brevifrons Barr. 

 Proetus crassirhachis A. Rdmer, P. crassimargo A. Romer, P.frechi n. sp., 

 P. orbitatusB&rT. 



The author considers Phacops filicostatus of such distinctive importance 

 that he has proposed to designate the group which it represents by the new 

 generic name of Tropidocoryphe. 



This species is remarkable for its broad flabellate pygidium and rapidly- 

 tapering glabella. 



Oehlert (D.) Sur les fossiles devoniens du departe- 

 ment de la Mayenne. 



In Bull. Soc. Geol. France, 3d series, vol. 5, 1877, p. 578, pi. 9. 



Cryphceus michelini Marie Rouault, C.jonesi n. sp., C. munieri n. sp. 

 Homalonotus gervillei DeVern. Leperditia britannica Marie Rouault. 

 Primitia Jischeri n. sp. 



Description de Goldius gervillei Barrande. 



In Bull. Soc. d'Etudes Sci., Angers, 1885, 1 pi. 



- Etudes sur quelques Trilobites du groupe des 

 Proetidae. 



In Bull. Soc. d'Etudes Sci., Angers, 1885, 2 pis. 



The author divides the Proetidae into two divisions on the form of the 

 glabella. 



Sec. A. Glabella conic, genera Proetus, Phceton, Dechenella and Brachy- 

 metopus. 



Sec. B. Glabella pyriform, genera Phillipsella, Phillipsia &nd. Griffithides. 



Brachymetopus ouralicus DeVern, B. maccoyi Portl. Dechenella halde- 

 mani Hall. Proetus micropygus Cord. Dec hene lla verneuili Barr. Phil- 

 lipsia truncaluta Phill., P. colei McCoy. Proetus astyanax Cord., P. ungu- 

 loides Barr. Phillipsia eichwaldi var. mucronata McCoy, P. gemmuUfer 

 Phill. Proetus intermedius Barr., P. ryckholti Barr. Griffithides acanthi - 

 cepx Woodw., G. seminiferus Phill., G. globiceps Phill. Proetus (Cyphaspis) 

 depressa Barr. Phillipsella (Phillipsia) parabola Barr. Proetus (Cyphas- 

 pis) depressa. Cyphaspis halli Barr. Arethusina konincki Barr. Harpes 

 unquiet,. Dechenella verticalis Burm. Calymene baylei Barr. Conoceph- 

 alites emmrichi Barr., C. striatus Emm. Phillipsia derby ensis Martin. 

 Dalmanites auriculata Dalm. Ogygia buchii Broiit., 0. desiderata Barr. 

 Asaphus alienus Barr. Griffithides acanthiceps Wood. Phacops fecundus 

 var. dejener Barr. Asaphus expansus Limit'. Bronteus brongniarti Barr., 

 B. tenellus Barr. Phillipsella (Phillipsia) parabola Barr., P. coin McCoy. 



