mantle-cavity

The males have a duct in under the oesophagus, extending from the mantle-cavity to the lower portion of the sac, and there is an organ to which it attaches, resembling a breast; (see diagram) in the female there are two of these organs, situated higher up; (see diagram) with both sexes there are underneath these organs certain red formations.

The History of Animals 2002

In certain male cuttle-fishes, in the breeding season, one of the arms develops in a curious fashion into a long coiled whip-lash, and in the act of breeding may then be transferred to the mantle-cavity of the female.

The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield Various

Both kinds of cells pass first into the mantle-cavity after the opening of the gonads, proceed through the gill-clefts into the branchial gut, and are discharged from this through the mouth.

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

If we open the thick tunic or mantle in order to examine the internal organisation, we first find a spacious cavity filled with water -- the mantle-cavity or respiratory cavity

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

The respiratory water now passes from the gut-cavity (D) into the mantle-cavity (A).

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

The ripe ova (Figure 2.221 o apostrophe) fall directly from the ovary (o) into the mantle-cavity.

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

Although we can find afterwards no continuation of the body-cavity (Figure 2.216 U) in the lateral walls of the mantle-cavity, in the gill-covers or mantle-folds

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

A mantle-cavity, K gill-clefts, b = E epidermis, E1 the same as visceral epithelium of the mantle-cavity, E2 as parietal epithelium of the mantle-cavity.)

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876