234 



Rafin.,from the Mediterranean, differing from it chiefly in the arrange- 

 ment of the cupules. 



Onychoteuthis rutilus. Corpus breve, antice latum deinde 

 sensim angustatum, dorso carinatum ; pinnis magnis ^ corporis super- 

 antibus, longioribus quam latis : caput subquadratum, subtus excava- 

 tum : oculi nigri, maximi ; sipho brevis, cylindraceus : brachia sessiHa 

 triquetria, £ corporis longitudinis adequantia, ordine longitudinis 4, 3, 

 2, 1, acetabulis pedicellatis sub-uniserialibus instructa: brachia tenta- 

 cularia robusta, cylindrica, unguibus ad 1 pedunculatis munita : color 

 supra metallicus, reflectionibus violaceis et auratis ornatus ; infra sal- 

 monacea ; capite coloribus violaceis, lilacinis, aurantiacis, flavis, etc. 

 ornato. 



Whole length 8£ ; of body 4 ; of head f ; of long arm 4 ; of fin 2^ ; 

 breadth of body 11 ; of fin 3 § inches. South Pacific, near Sydney, 

 N. S. Wales. 



Somewhat allied to 0. Banksii Fer., but its proportions and colors 

 are different. 



Oxychoteuthis BREVIMANUS. Corpus cylindraceum, vix dila- 

 tatum : pinna rhomboidalis, latior quam longa, \ corporis superans : 

 caput breve, subglobosum : oculi mediocres : brachia sessilia, curta, 

 graciUa, infimis longioribus, supernis brevioribus : brachia tentacularia 

 brevissima : color ex sanguineo violacescens. Length 6 ; of body 3% ; 

 of head f ; of fin If ; breadth of body | ; of fin 2| inches. 



Obtained at sea, 120 miles west of Tutuila, Samoa Islands. De- 

 scribed from a figure by Mr. Agate. 



The extraordinary brevity of the tentacular arms, scarcely longer 

 than the shortest sessile ones, is quite enough to characterize the 

 species. 



Limacixa scaphoidea. T. pellucida, involuta, seaphoidea: 

 spira lateralis, anfr. 3, ultimo amplo : apertura sub-circularis ; labro 

 arcuato. Diam. -jL poll. 



Taken in the equatorial Atlantic, and figured by Mr. J. D. Dana. 



Resembles somewhat L. inflata Gray. 



Limacina [Agadina] cucullata. T. pellucida, planorboidea, 

 altero latere anfractus 5 ostendens, altero anfraetum unicum umbili- 

 catum : apertura obliqua, campanulata. Diam. \ poll. 



Found near an ice-island, within twenty miles of the Antarctic 

 Continent, lat. 66° S., long. 106° 20' E. 



Described frorn a sketch by Mr. Agate. I propose to name the 

 genus after him. 



Animal black, with ovate appendages, not intimately united at 

 base. 



