144 CALIFORNIA ACADEMY OF SCIENCES. 



On the Cambrian fauna of Cape Breton and 



Newfoundland. 



In Trans. Koyal Soc. Canada, vol. 2, 1886, sec. 4, p. 147. 



Afjrmdos socialis Billings, A. affinis Billings, A. strenuus Billings, A. 

 (Strenuella n. subgenus) streniius. Solfinoplcura communis Billings, S. 

 hombifrons n. sp. 



Illustrations of the fauna of the St. Jolm 



group. No. 4. On the smaller eyed Trilobites of Divi- 

 sion 1, with a few remarks on the species of the higher 

 division of the group. 



In Canadian Record Sci., vol. 2, No. 6, 1887, p. 357. 

 On the kin of Paradoxides (Olenellusf) kjeridti . 



In Am. Jour. Sci., 3d series, vol. .33, 1887, p. 390. 



— Illustrations of the fauna of the St. John 



group. No. 4. Part 1. Description of a new species 

 of Paradoxldes (P. regina). Part 2. The smaller Trilo- 

 bites with eyes ( Ptychoparldca and Elli2^socephalidci3). 



In Trans. Eoyal Soc. Canada, vol. 5, 1887, sec, 4, p. 115, 3 pis. 



Paradoxides regina n. sp. Ellipsocephaliis S'p. ? Agraulos ? lohitfield- 

 ianus n. sp., also var. compressa. Strenuella ? halliana n. sp. Liostracus 

 tener Hartt., L. ouangondianus Hartt. (also vars. immarginata, aurora, 

 gibba, plana). Ptychoparla linnarssoni Brogger var. alata (narrow form). 

 Solenopleura robbii Hartt., S. acadica Whiteaves, also var. elongata n. var. 

 S. robbii var. orestes. Ellipsocephalus sp. cf. polytomus. Agraulos hnl- 

 lianus n. sp. 



The great Acadian Paradoxides. 



In Am. Jour. Sci., 3d series, vol. 33, 1887, p. 388. 

 Paradoxides regina Matt. 



On the occurrence of Leptoplastiis in Acadian 



Cambrian Rocks. 



In Canadian Eecord of Science, October, 1889. 

 Leptojjlostus stenotoides n. sp., L. spiniger n. sp. 



These species are referred to Anomocare in Illustrations of the St. John 

 fauna No. 6, 1891, p. 61. 



How is the Cambrian divided? A plea for 



the classification of Salter and Hicks. 



In American Geologist, vol. 4, 1869, p. 139. 



