FISTTJLOSE POLYMOEPHIir^, AND GENTJS EAMTTLIITA. 



507 



Fig. 30 a, b, c, P. Humboldtii, Bornemann. a, lateral aspect ; b, oral aspect ; 



c, latero - peripheral aspect. \Polymorphina communis (part), 



Parker and Jones, 1857 ; P. lactea, yar. tubulosa, Parker and Jones, 



1865.] 

 „ 31. P. gibba, d'Orbigny. [Polymorphina gibba (fistulose form), Brady, 



1884.] 

 „ 32. P. gibba, d'Orbigny. \P0ly7n0rphina gibba, Goes, 1894.] 

 „ 33. P. gibba, d'Orbigny. [Polymorphina gibba (fistulose form), Wright, 



1885.] 

 „ 34. P. lactea (Walker and Jacob). [Polymorphina concava, Williamson, 



1858.] 

 „ 35 a, b. P. lactea (Walker and Jacob), a, lateral aspect of free surface ; 



b, surface formerly attached. [Polymorphina concava, var. denti- 



marginata. Chapman, 1894.] 

 „ 36. P. regiiia, Brady, Parker, and Jones. [Polymorphina Orbignii 



(striate-fistulose specimen), Brady, Parker, and Jones, 1870.] 

 „ 37. P. compressa, d'Orbigny. [Polymorphina compressa (fistulose form), 



Brady, 1884.] 



Proposed varietal 

 name. 



SERIES V. 



Group No. 9. — Mixed Outgrowths. 

 Figs. 38-42. 



Salient characters of Outgrowths. 



fa. Examples, figured by Soldani, of 

 apical and marginal outgrowths. 



b. Apical and sub-apical (broken, pro- 

 bably racemose). 



iVbs. in detailed 

 list, pp. 508-516. 



I 59. 



60. 



Var. complicata. 

 nov. Figs. J^ 

 38-42. 



c. Apical (broken), and limited patch of "1 g-f 



sub-apical. J 



d. Apical, sub-apical, and general surface ] ^m 



(near racemose). J 



r Apical and sub-apical (broken) 63. 



l Apical and sub-apical 64 and 55. 



/. Apical cluster, and lateral (obscure).., 



g. Apical and marginal, attached; sur- 

 face aculeate. 



66. 



]67. 



h. Apical (broken) and marginal (? at- 1 „ 

 tached). J 



i. Apical, sub-apical, and marginal, at- ] 

 tached. J 



