94 



L-K WILLIAM EVANS HOYLE ON THE 



TREMOCTOPODID^E. 



Tremoctopus quoyanus, d'Orbigny, 1835. 



Locality. Tow-net, Station 59, Equatorial Atlantic. Lat. 2 30' S., long. 32 42' W. 

 12th December 1902. Surface. One specimen, $ [H 1366]. 

 Previous Records. Atlantic and Pacific Oceans. 



PoLYPODID^i. 

 Polypus brucei, n. sp. 



Locality. Station 346, Burdwood Bank, off Tierra del Fuego. 1st December 

 1903. One specimen, $ [H 924]. 



The Body is a flattened ovoid, with a very shallow groove along the middle 



FIG. 2. Tin 1 hectoeotylised arm of Polypus brucei. n, oral aspect nf 

 the extremity. Natural size. 



line ventrally. The mantle opening extends fully half way round the circumference 

 of the body, terminating immediately below and behind the eyes. The siphon i.s 

 short and broad, and extends less than half way from the margin of the mantle to 

 the edge of the umbrella. 



The Head is somewhat narrower than the body, and the eyes are but slightly 

 prominent. 



The Arms are somewhat unequal, and about four times as long as the body ; 

 their order of length is 1, 2 = 3, 4. The umbrella is well marked and its arrange- 

 ment very characteristic. On the dorsal aspect of eacli arm it is attached as far as 

 a point about one-third up the arm, whilst on the ventral aspect its attachment 

 can be followed to about within 1 cm. of the extreme tip of the arm. The suckers 



(BOY. SOC. EDIN. TRANS., VOL. XLVIII., 276.) 



