AGLAJID.E, GASTROPTERID^E, RUNCINID^E. 239 



Family AGLAJID^E. 

 Genus AGLAJA Renieri (page 44). 



The following forms were overlooked in the preparation of this 

 monograph : 



A. ORBIGJSTYANA Rochebrune. PI. 54, fig. 3. 



Body thick, ovoid ; foot short, sub-bipartite below, blackish stri- 

 ated with radiating strife ; posterior lobes visibly elevated, of a black- 

 violet, ornamented longitudinally with irregular interrupted yellow- 

 ish lines ; margins of mantle undulated, quite thick, greenish gray. 



Length 14, width 11 mill. (Rochebr.). 



Road of Santiago, Cape Verde Archipelago (Cessac). 



Posterobranchus orbignyanus ROCHEBR., Bull. Soc. Philomath., 

 1881, p. 28 ; Nouv. Arch, du Mus., 1881, p. 265, pi. 18, f. 5. 



A. TRICOLORATA Ren. (p. 45). 



Add the synonym : Doridium achates DESH., Traite Elem. de 

 Conch., Expl. des Planches, p. 58 ; Atlas de Conchyliologie, pi. 91, 

 f. 3-5. 



Family GASTROPTERIDJE (Vol. xvi, p. 39). 



GASTROPTERON MECKELII (?) is reported by Dall from east Flor- 

 ida and Guadalupe, in Catal. Mar. Moll. S.-E. U. S., Bull. 37 U. S. 

 Mus., p. 88. 



Family R UNCINID^E (Vol. xvi, p. 171). 



PELTA CAPREENSIS Mazzarelli, Atti Ace. Napoli, vi, No. 4, p. 3, 

 from the Gulf of Naples, is a new species of Runcina, of which the 

 description is inaccessible to me. 



ERRATA. 



P. 89. After T. Robertsi, read pi. 55, figs. 5, 6. 



P. 96. After T. Tryoniana, read pi. 57, figs. 24-27. 



P. 155. Omit f. 35 from references in fifth line from bottom. 



