CEPHAIvOPODA OF THE HAWAIIAN ISLANDS. 
259 
In 1879 Tryon published a monograph of the Cephalopoda as the first volume of his 
Manual of Conchology. In addition to the three species just noted, two other forms 
are accredited to our region, namely, Loligo gahi d’Orbigny and Polypus Jontanianus 
d’Orbigny. Both of these, however, are characteristic South American types and the 
Hawaiian record in each case seems almost certainly to be an error. 
The Challenger steamed through the very heart of the region and made a brief call 
at Honolulu, yet took but a single species of cephalopod. This was a common reef 
Polypus, three specimens of which reached England and were there described by Hoyle 
(1885) as Octopus marmoratus . 
In 1899 Schauinsland reported the occurrence of the following species in the neigh- 
borhood of Laysan Island, his identifications being based on determinations bj^ Dr. G. 
Pfeffer : “ 
Octopus sp. I Ommastrephes oualaniensis. 
Onychoteuthis Banksii. [ Ommastrephes Sloanei. 
In 1909 the present writer published preliminary diagnoses of seven supposedly new 
forms from the Hawaiian Islands, and as an appendix to the same paper added a simple 
check list of all the species known to occur in the region (Berry, 1909, p. 418). In this 
list some 22 species are named and ii other forms are recorded without precise deter- 
mination. This list, which follows herewith, should now be regarded as entirely sup- 
planted by the present paper: 
Cirroteuthis ( ?) sp. 
Argonauta bSttgeri . 
Argonauta (argo?). 
Tremoctopus (near quoyanus). 
Alloposus mollis. 
Bolitsena sp. 
Polypus hawaiiensis. 
Polypus hoy lei n. sp. 
Polypus omatus. 
Polypus marmoratus. 
Polypus a. 
Polypus p. 
Polypus 7. 
Scaeurgus sp. 
Stephanoteuthis hawaiiensis n. gen. and 
sp. 
Euprymna morsei. 
Semirossia (?) sp. 
Stoloteuthis iris n. sp. 
Sepioteuthis arctipinnis. 
Ommastrephes sagittata near sloanei. 
Ommastrephid (young). 
Onychoteuthis banski. 
Symplectoteuthis oualaniensis. 
Teleoteuthis appellofi. 
Abralia astrosticta n. sp. 
Abralia sp. 
Abraliopsis sp. 
Pterygioteuthis giardi. 
Tracheloteuthis riisei. 
Chiroteuthis famelica n. sp. 
Cranchia (Liocranchia) globula n. sp. 
Cranchiid sp. 
Helicocranchia fisheri n. sp. 
Three years later Naef (1912, p. 247) proposed the new genus Iridoteuthis , basing it 
upon the Hawaiian Stoloteuthis iris Berry as its type and single known representative. 
Although fragmentary, Schauinsland’s notes are of considerable interest, and in view of their inaccessibility to most 
students it may be worth while to repeat them here. 
(P, 25) . nicht selteu hat man das Gliick, hier auch einen der abenteuerlicheu Tintenfische (Octopus) zu erbeuten, 
und zwar bisweilen in solcher Grosse, dass man sich vor seinen Saugarmen und scharfen Kiefern zu hiiten hat.’^ 
(P. 92) “Neben den hauhg bei Laysan sich findenden O ctopus- kommendort an Cephalopoden (det. Pfeffer') nochvor: 
Ommastrephes oualaniensis Less. xxndOmm ,SloaneiOxzy , sowie Onychoteuthis BanksiiVit . Die drei letzten Artenbilden iiber- 
wiegend die Nahrung der Albairosse^ wenigstens in der Zeit, in welcher sie ihre Jungen f iittern. Die Exkremente derselben be- 
standen fast ausschliesslich aus Cephalopoden-Kiefem. Auch die Sw^a-Arten futternanfangs ihren Nachwuchsmitverdauten 
Cephalopoden, spater allerdings mit Fischen.’* 
