Bibliographical Notices. 185 



BIBLIOGRAPHICAL NOTICE. 



Contribm^oes a Paleontologia do Brazil. (With the original iu 

 English.) By Charles A. White, M.D., Palaeontologist to the 

 Geological Survey of the United States, &c. — Archivos do Museu 

 Nacioncd do lilo Janeiro, vol. vii. 4to, National Press, Ilio 

 Janeiro, 1887. Pp. 1-273, with Index, pp. i-v, and 28 plates. 



These contributions to the Palaeontology of Brazil have resulted 

 from a study of Cretaceous Invertebrate Fossils collected by the 

 Brazilian Geological Survey under the direction of the late Prof. Ch. 

 Fred. Hartt, and preserved by the care of Mr. Orville A. Derby, 

 who accepted the position of Director of the Geological Section of 

 the Brazilian National ]k[useum, for the purpose of preserving these 

 results of the Survey, which have now been confided to Dr. White, 

 by the Director of the Brazilian National Museum at Ilio de 

 Janeiro, for publication. 



After a warm recognition of the enlightened support and 

 encouragement given to science, and to the Geological Survey in 

 particular, by His Imperial Majesty Dom Pedro II., Dr. White 

 proceeds to a careful bibliography of books and memoirs illustrative 

 of South -American Mesozoic Invertebrata, from 1839 to 1881. 



The fossils sent to Dr. White for desci'iption and illustration 

 comprise Conchifera, Gasteropoda, Cephalopoda, one Polyzoon, and 

 Echinodermata from the marine strata, and the Molluscan fauna of 

 tbe freshwater Bahia group. These are described and figured in 

 this order. 



At pp. 7-14 Mr. 0. A. Derby supplies, chiefly from his own 

 personal observations, an account of the strata from which these 

 fossils were obtained. The marine fossils here described were 

 collected from beds in detached basins, lying on probably Palaeozoic 

 rocks, along the coast from the mouth of the Amazon to that of the 

 Bio Eeale, about lat. 12° S., namely the basins of Para, Pernam- 

 buco, and Sergipe. Further south similarly situated freshwater 

 basins occur along the coast of the province of Bahia, to about lat. 

 18° S., namely those of Bahia and of Southern Bahia or the Abrol- 

 hos Islands. 



Although some among the marine fossils have a Jurassic aspect, 

 yet all are integral parts of a true Cretaceous fauna, differing much 

 from anj^ others, except (to some extent) that of Southern India 

 and that of Gosau in the Tyrol. The homotaxial relationship of 

 these fossils is carefully noted by Dr. White. Very many of the 

 specimens are casts and not well preserved ; but the Author, desirous 

 of making them useful to geologists, has sedulously worked out 

 their zoological characters as far as possible, and has defined : — 82 

 Conchifera (including 58 new species, besides 5 which may be 

 generically, but not specifically determined) ; 91 Gasteropoda (in- 

 cluding 77 new species and 7 not specifically named) ; 13 Cepha- 

 lopoda (namely 11 Ammonites, 8 new species, with 1 Helicoceras, 



