422 KEPORT OF COMMISSIONER OF FISH AND FISHERIES. [212] 



The gills are short and broad, with very long lamella?. The repro- 

 ductive organs occupy a large part of the visceral cavity. The testicle 

 is a large, thick, broad-ovate organ, with the two sides folded together 

 around and closely united to the large crecal lobe of the stomach. The 

 testicle does not extend back beyond the origin of the caudal fin, the 

 visceral cavity being very narrow in that region. The prostate gland 

 aud vesicula seminalis are large and swollen, and the spermatophore-sac 

 is also large. The efferent duct is large and long, extending far for- 

 ward; it expands at the end into a spade-like form, with an acute tip; 

 its orifice is oblique ear-shaped, situated on one side, near the end, and 

 is protected by a lobe or flap. The stomach is saccular, and the large 

 csecal lobe is not very long. The liver is thick. The posterior aorta 

 goes far back, nearly to the origin of the fin, before dividing, for the 

 median septum of the branchial cavity is placed far back. The ink-sac 

 has the ordinary pyriform shape. 



A second smaller specimen, which proves to be a young female, in ex- 

 cellent preservation, was trawled by Lieut. Z. L. Tanner, on the "Fish 

 Hawk,'' October 10, 1881. This was taken, off Delaware Bay, in 435 

 fathoms, (station 1018). 



This specimen agrees nearly with the type-specimen, described above, 

 in the form and proportions of the body, head, arms, caudal fin, pen, 

 etc., and in the structure and denticulation of the suckers. The caudal 

 fin is slightly broader in proportion, while the suckers are deeper and 

 relatively smaller, especially those on the ventral arms, which are de- 

 cidedly smaller than those on the lateral ones. They are finely and 

 sharply denticulated on the outer edge, as in the type. 



The color is, however, quite different, for in this example the skin 

 and flesh are translucent and beautifully specked with regular, round, 

 often rather large, not crowded, dark brownish red chromatophores ; 

 the larger of these, especially on the under side of the fin and body, are 

 ocellated; on the head and arms the chromatophores become smaller 

 and more crowded, more nearly as in the type. The row of large dark 

 purple spots, along the ventral arms, are, in this example, decidedly 

 raised and wart-like. One of the tentacular arms is perfect. These 

 are very long and slender, and bear, along their whole length, rela- 

 tively large rounded, wart-like, dark purple, sessile suckers having a 

 small central pit. These suckers are about two-thirds as broad as the 

 diameter of the arm, and from close to the base of the arm to the dis- 

 tal fourth they are separated by spaces mostly equal to about twice 

 their diameter ; distally they are less numerous. The tentacular club* 



*This arm differs considerably from the one described on p. [119] and figured on 

 Plate XXXII, figs. 1-1Z>, especially in having much more numerous sessile suckers 

 along the whole length of the arm, and in having sharply denticulated suckers 'on the 

 club. This may indicate that the latter belonged to a different species. But it is 

 possible that the latter had suffered injury, before preservation, sufficient to cause 

 these differences. 



