254 Messrs. Parker, Jones, and Brarly on 



Figs. 18-20, in pi, 3 (Rosalina Poeyi, D'Orb.), represent the 

 typical Cymhalopora Poeyi (Cai-penter's ' Introd. Foram.' 1862, 

 p. 215). It. squamosa^ D'Orlj., is the high-coned, livid- 

 coloured, pur})le-topped Cyriihalopora of the West Indies, 

 common in shallow-water shell-beds, especially with Stromhus 

 (jiyas. Figs. 2-5 of the same plate {Ros. hulloides, D'Orb.) is 

 a closed-in polystomellous form of the same, and is common 

 in the tropics, both east and west. In C. hulloides the last 

 septal wall closes in the whole umbilical face, and is multi- 

 perforate, with large passages similar to those on its isomorph 

 Orhulina (formed of Glohigerina in an analogous manner) 

 and in the wild Spirilline forms of Pulvinulina (Phil. Trans, 

 vol. civ. p. 390). 



4. Rosalina ojpercularis^ D'Orb. 



B.osalina opercularis^ D'Orb. Ann. Sci. Nat. vol. vii. p. 271. no. 7 ; Foram. 

 Cuba, p. 101. no. 45, pi. .3. tigs. 24, 2o, and pi. 4. fig. 1. 



" Hah. The sands of Cuba and Martinique." 



This is a subvariety of Discorhina pari'siensi'sj with linear 



ornamentation on the concave face (Phil. Trans, vol. civ. 



p. 385). 



5. Rosalina semistriata, D'Orb. 



Rosalina semistriata, D'Orb. Ann. Sci. Nat. vol. vii. p. 271. no. 3 : Foram. 

 Cuba, p. 102. no. 47, pi. 3. figs. 15-17. 



" Ilah. The sands of the islands of Cuba, Jamaica, and 

 Martinique." 



An outspread and prickly Discorhina, related (as shown by 

 gradations of form) to the high conical varieties of D.jnleoIuSj 

 D'Orb. sp., which connects D. rosacea with D. parisiensis 

 mentioned above. 



6. Rosalina valviilata, D'Orb. 



Hosalhia valvjtlafa, D'Orb. Ann. Sci. Nat. vol. vii. p. 271. no. 4; Foram. 

 Cuba, p. 103. no. 48, pi. 3. figs. 21-23. 



" Hah. The sands of Cuba, Jamaica, Martinique, and other 

 islands of the West Indies." 



An inconspicuous subvariety of Discorhina rosacea ; small 

 and not fully developed. See the foregoing. 



7. Textxdaria cuneiformis, D'Orb. 



Trxtuhtria noicifonnis, D'Orb. Ann. Sci. Nat. vol. vii. p. 203. no. IS; 

 Foram. Cuba, p. 13S. no. 77, pi. 1. figs. 37-39. 



" Hah. Fossil at Castel-Arquato ; living in the sands of 

 Cuba." 



