A HISTORY OF SUSSEX 



vivid blue about the centre, and a ring of 

 opaque white around the apex, with spots 

 of opaque white scattered below. The 

 dorsal tentacles are ringed, and are of a 

 pale buff or orange colour, the oral ones 

 being long and sweeping. Habitat, under 

 stones and upon rocks at low tide. Com- 

 mon. Hastings. 



170. Facelma drummondi, Thompson. 



Animal inch in length ; body trans- 

 lucent, of a faint rose colour ; back, pale 

 salmon. The dorsal tentacles have from 

 twenty to thirty laminae, are blunt at the 

 apex which is of a pale orange tint, the 

 tentacle itself being rose-orange and having 

 in front a narrow patch of granular, opales- 

 cent white, extending one third of the way 

 down ; there are also spots of a similar 

 character between and in front of the ten- 

 tacles. The oral tentacles are a trifle 

 longer and more pointed than the dorsal 

 ones, and somewhat similarly coloured. As 

 regards papillae, notes are unfortunately 

 deficient. Obtained from shrimp trawler. 

 Rare. Hastings. 



171. Antiopa cnstata, delle Chiaje. 



An immature specimen barely ^ inch in 

 length. Body transparent, colourless, or 

 with a slight tinge of buff. The papillae 

 are inflated, or club-shaped with pointed 

 tips, the foremost three upon either side 

 projecting greatly in advance of the ten- 

 tacles and appearing to act somewhat as 

 tactile organs, contracting at every contact 

 y with any object ; their tips form a broad 

 line in advance of the animal ; the hinder 

 papillae are large and project considerably 

 beyond the tail. The gland of the papillae 

 is very narrow and linear, enlarging or 

 dividing near the apex and coloured purplish- 

 brown or greenish-brown, the outer portion 

 being transparent, but of the same hue. 

 The apex is opaque white and where this 

 meets the colour below, the result is a 

 metallic blue. The dorsal tentacles are 

 laminated and are short and blunt, with an 

 opaque white spot at the apex ; between 

 them is a raised and warty frontal piece, 

 coloured buff. A single specimen taken 

 upon weed in a rock pool at low water. 

 Rare. Hastings. 



DOTONID.S: 



172. Data coronata, Gmelin. 



Animal a little over ^ inch in length, of a 

 pale orange colour, except as regards the 

 foot which is colourless. There is a single 

 pair of tentacles having characteristic 



trumpet-mouthed sheaths. Along either 

 side of the body are arranged eight club- 

 shaped papillae, each one being encircled 

 with about eight equidistant rings of large 

 tubercles, each tubercle having at its apex 

 a distinct black spot ; internally there are 

 opaque white egg-like bodies. 



This species is common upon the coral- 

 line Antennularia to which it attaches its 

 egg-band ; also taken upon Obelia longissima. 

 Hastings. 



173. Doto pinnatifida, Montague. 



Animal very similar to the last species, 

 but with a more or less interrupted band 

 down the back of brownish-green ; and 

 along each side of the cloak are from one 

 to three rows of tubercles set alternately, 

 each tubercle containing an opaque white 

 body and in some cases a black speck also. 

 Similar tubercules with like contents occur 

 irregularly down the back, the black specks 

 being conspicuous. These black specks 

 are of peculiar interest since it has been 

 surmised that they may be organs of vision. 

 They also occur around the rim of the 

 tentacle-sheath and on lobular processes 

 arising from the latter. Common upon 

 Antennularia from the Diamond Ground. 

 Hastings. 



DENDRONOTIDJE 



174. Dendronotus frondosus, Ascanius. 



Animal mottled light and dark brown, 

 or buff, sometimes almost golden ; in some 

 cases the colour is uniform. Along either 

 side of the back are from six to eight 

 branching, tree-like gills. The tentacles 

 are ringed and arise from a sheath the rim 

 of which also gives off branching processes. 

 Specimens obtained only a little distance 

 from shore are small, that is from i to 2 

 inches in length, but some trawled upon the 

 Diamond Ground must have measured 

 close upon 5 inches. Rather rare. Hast- 

 ings. 



TRITON IID^E 



175. Tritonia bomber gi, Cuvier. 



Animal fully 3 inches in length ; back 

 warty, and slate coloured. Around the 

 margin of the cloak are arranged rather 

 closely a number of dendriform gills. The 

 tentacles have sheaths and near the apex 

 branched processes are given off. This 

 creature is not prepossessing, being in the 

 preserved condition rather toad-like. Not 

 uncommon from the Diamond Ground. 

 Hastings. 



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