Boone, Coeleyiterata, Cruises of "Ara" and "Alva" 37 



a conspicuous excretory papilla. The tentacular bulbs are dis- 

 tinctly darker, approaching a bluish black. In the larger specimen, 

 the canals and gonads show a deep ivory yellowish tone ; while in 

 the smaller specimen these merely show as opaque creamy lines 

 through the gelatinous bell. 



Colour : The bell is opalescent, transparent gelatinous, some- 

 what crystalline. Canals with gonads show deep ivory yellow, 

 otherwise they show an opaque creamy line. 



References: Mesonema coerulescens, Brandt, J. F., Mem. Sci. 

 Math., St. Petersbourg, 1838, p. 360, pi. 5, (colour plate by 

 Mertens). 



Aequorea coerulescens, Bigelow, H. B., Mem. Mus. Comp. ZooL, 

 1909, vol. XXXVII, pi. 4, fig. 4, and pi. 35, figs. 3-8. 



Order: CALYCOPHORAE 



Family: SPHAERONECTIDAE 



Subfamily: Muggiinae 



Genus: DOROMASIA Chun 



Doromasia picta Chun 



•f 



Type: Dr. Chun's type series was secured in the Canary 

 Islands ; it included a good series of living specimens. The deposi- 

 tory is not stated. 



Distribution : A deep-sea species found in the warm regions 

 of the Atlantic Ocean and in the tropic Pacific, Malaysia and 

 Indian Ocean. 



Material examined: The "Alva" specimens are twelve in 

 number, with five additional partially destroyed specimens; the 

 largest one is 26 millimeters long. They were taken in 250 fathoms, 

 off Puerto Cabras, bearing 270° true, 7 miles distant, Fuerte Ven- 

 tura, CanaiT Islands, February 18, 1932. 



Colour: Transparent milky with touches of yellow on the 

 internal organs. 



Life History : Imperfectly known. 



