HABITS OF TIIK ( Kl' 1 1 A U M'ODA. 



ix. I IIMVC observed several ( 'alamaries of 

 moderate si/e : these animals MIT always in motion, which is 

 rapid :iiid jerky. 1 never found tlicm in rt'posc. lor they are 

 essentially pclaii'ie. and only approach the const to oviposit. 



The Calamary completely extends its :inns and keeps M posi- 

 tion more or less obi i< pie. but approaching horizontal. 'I" lie arms 

 are united into a single flattened in:iss. sharp :ii tlie sunnnit. ly 

 reason of iheir nne(pi:il length; t he ient:icul;ir arms, with their 

 extremities applied one to the oilier, form this extreme point. 



When the ( 'alama ry swims forwards. the MiiiniMl takes an 

 olli<|ne position, the head difccied do\vnw;ii'd; when it swims 

 Inickwards. on the con! i-:iry. the head is r;iised and (he tins 

 depressed. In forward motion the exiremity of the tentncles is 

 bent down; in l>;ickw:ird moiion it is raised. This ordinary 

 swimming is sensihly more rapid 1h;in that of the Sepin. lnit. if 

 ihc r.-ihniiriry is dis(piieted it is oil' like a H:ish. K.-ipid moiion 

 is :dw:iys re, ro^r.-ide ; when the fins nrc folded npnnd the funnel 

 Itrono-ht into use. After having seen the I'npidity wiih which 

 the C:il:im:iry d;ir ; .s ;hrou^h Hie wnlcr. I c:in understand how it 

 soinciimes shoois oui of the wnter tind falls on the deck of 

 vessels. 



My r.'ilamaries would not take nourishment ; they died at the 

 end of a few days, without having modified until the last moment 

 their habitual activity. 



Octopus vulgaris. The Ponlpe is timid and hides itself under 

 rocks. Its arms touch the earth by their cii])s. and are bent 

 behind; those of the first pair are thus widely separated. The 

 sack is incurved from front to rear, and describes a curve with 

 the concavity inferior. Thus placed the animal examines all 

 thai passes around ii. If one u'ives it something to eat. it is 

 seen to elongate slowly the first pair of arms as far as its prey. 

 :ind lo draw it towards its mouth. J have never observed the 



Sepia eat, and consequently do not know whether it grasps its 



prey by means of iis tenlacular arms or by the sessile arms of 

 tlu- first pair. 



I will not speak hereof the changings of color in the I'oulpe ; 

 they are more varied and more rapid than those of the ,SV/m/ ; 

 and at the same time ihe rugosities of the head and sack appear 

 and disappear with ^reat rupiility. 



