Nomenclature of the Foraminifera. 431 



from other groups, as to their shell-tissue, the form and mode 

 of growth of their shells, and their habits of life (as indicated 

 by their habitats), to warrant our retaining for them " specific" 

 names on zoological grounds. Having indicated these more or 

 less exactly defined "species" {and, in many instances, their 

 subspecies, varieties, and even subvarieties), we feel ourselves at 

 liberty still to use, for convenience- sake, distinct binomial terms 

 even for varieties of minor value in a zoological sense, because 

 the whole tale of specific and subordinate denominations of not 

 a few of the recognizable forms would be very cumbersome, and 

 because even subvarietal forms are often characteristic of certain 

 sea-zones and of certain fossil deposits, and therefore often the 

 subjects of discussion. 



I. Species adopted by £>' Orhigny in the ' Annates des Sc. Nat.' 

 vii. (1826), /rom earlier Authors. 



1. Alveolina Boscii, Defrance, sp. Page 306, no. 5. Modele 

 no. 50. See Ann, Nat. Hist. ser. 3. viii. pp. 161, &c., for a notice 

 of the Alveolince. This form was previously named Miliolites 

 sabulosus by De Montfort. 



2. Alveolina Melo, Fichtel & Moll, sp. Page 306, no. 2. 

 Comprising the two varieties indicated by Fichtel & Moll. Ann. 

 N. H. ser. 3. v. p. 181. 



3. Biioculina Isevis, Defr. sp. Page 298, no. 8. The same 

 subvariety of Miliola ringens that D'Orbigny has named B. bul- 

 loides, Ann. Sc. N. vii. p. 297, no. 1. Modele no. 90. A common 

 Biloculine Miliola. Ann. N. H. ser. 2. ii. p. 299; ser. 3. v. 

 p. 469; &xii. p. 216. 



4. Biioculina ringens, Lamarck, sp. Page 276, no. 2. A com- 

 mon Miliola. Ann. N. H. ser. 3. v. p. 469. 



5. Calcarina Spengleri, Gmelin, sp. Page 276, no. 4. Calca- 

 rina is so closely allied to Rotalia that at first we thought the 

 former to be subordinate to the latter (Ann. N. H. ser. 3. iii. 

 p. 481) ; but we now regard Calcarina as of equal value with 

 Rotalia. (Carpenter's 'Introd. Foram.' p. 223.) Among the 

 synonyms of this species, D'Orbigny has " Tinoporus baculatus, 

 Montf. ;" this, however, according to Montfort's figure, has 

 more of Orbitolina than of Calcarina in it ; and Dr. Carpenter 

 proposes to use the term " Tinoporus " instead of " Orbitolina " 

 (Introd. Foram. p. 224). 



6. Cristellaria [acut-] auricularis, Fichtel & Moll, sp. Page 

 292, no. 23. A subglobose Cristellaria. See Ann. N. H. ser. 3. 

 V. p. 114. 



7. Cristellaria Cassis, F.&M. sp. Page 290, no. 3. Modeles 

 nos. 44 & 83. A more or less discoidal and foliaceous Cris- 



