265 



Length, total 



End of body to mantle margin 



End of body to eye 



Breadth of body (without fins) 



Breadth of head 



Length of first arm 

 Length of second arm 

 Length of third arm 





Cephalopoda. 





Dimensions of Specimen H 1352. 





mm 

 360 

 gin 227 



2 35 



Eye to edge of umbrella 

 Length of fin 

 Breadth of fin 



mm 



33 



155 



120 



ns) 53 

 42 



Diameter of largest sucker on sessile arm 

 Diameter of largest sucker on tentacle 



2,7 



9 



Sight Left 

 62 73 



77 74 

 104 87 



Right 

 Length of fourth arm 93 

 Length of tentacle 184 



Left 



88 



162 



265 



Sepia tuberculata. 



1798 Sepia tuberculata Lamaeck, Bull. sei. SöeT Philomath. Paris, Vol. II, p. 130. 



1799 „ „ Lamarck, Mem. Soc. Hist. nat. Paris, T. I, p. 9, tab. 1, fig. 1. 



1832 „ papillata Quoy et Gaimard, Moll. „Astrolabe", Vol. II, p. 61, tab. 1, figs. 6—14. 



1845 „ tuberculata d'Okbigny, Moll. viv. et foss., p. 281, tab. 12, fig. 11. (Further references are here given.) 



1S48 „ „ d'Orbigny, in: Ferussac et d'Okbigny, Monogr. Cephalopodes acetabuliferes, p. 277, tab. 3ter ; 



4bis, 6, aud 17, figs. 13—15. 

 1875 „ „ PSteenstrup, Hemisepius. K. Dansk. Vid. Selsk. Skr., (5) Vol. X, p. 474—479, tab. 1, 



figs. 20, 21; tab. 2, fig. 6. 



Locality: Angra Pequena. Three specimens, $ (H 1355 — 57). 



The Body is stout and broad, the greatest breadth heilig about the middle of its length. The 



posterior extremity is bluntly rounded. The fin is of medium breadth; it begins about 3 mm from the 



anterior border of the mantle and just meets its fellow of the opposite side at the posterior extremity. 



The mantle margin projects but slightly over the head, and is bluntly rounded there, and slightly 



emarginate below. The siphon reaches almost to the interspace between the ventral arms. The head 



is broad and apparently long, owing to the extent of the interbrachial membrane. 



The Arms are comparatively short, the order of length being 1 = 2 = 4, 3i about as long as the 



mantle, conical and rounded. There is a narrow web at either side of the sucker bearing surface ; the 



ventral arms are fiattened and triangulär in section with a very distinct keel on the outer edge for about 



half way up; beyond this the angle is rounded and the integument thrown into minute corrugations like a 



number of papillae closely packed together. The suckers are in four rows, a little irregulär here and 



there, owing to mutual pressure, they are spheroidal with meridional grooves around the edge. The 



horny ring is smooth. No hectocotylus was observed. 



The Umbrella is well developed reaching about half-way up the dorsal and lateral arms, rather 



less between the ventro-lateral and ventral arms, and scarcely present between the ventral arms. The 



buccal membrane is much thickened at the edge, and thrown into a series of complex foliations; a 



deeply placed ligament passes to the interspace between the dorsal arms ; one is attached to the dorsal 



aspect of each dorso-lateral arm, and another to the ventral aspect of each ventro-lateral arm bordering the 



tentacular pit; the spermatic päd was not observed but a number of spermatophores were attached to the 



outer lip (Textfig. 9). The out er lip is thin and longitudinally ribbed, the inner thick with the margin 



densely papillate. 



The Tentacles are almost as long as the mantle, the stems trihedral with rounded angles, the 



club lanceolate with a well developed web on the dorsal aspect, and a protective membrane on either 



side of the sucker-bearing face. In the middle line are four suckers conspicuously larger than the rest 



(PI. Va, Fig. 4). The relative sizes of these vary in different specimens and even in the two tentacles of 



the same individual, but in every case the second is the largest, sometimes the first sometimes the fourth 

 Jenaische Denkschriften. XVI. 34 Schultze, Forschungsreise in Südafrika. IV. 



34 



