GATTYANA CIEEOSA. 285 



Genus IX. — Gattyana (Nychia, 1 Malmgren), Mel. 



Lateral tentacles arising below the base of the median, they and the cirri densely 

 covered with long cilia. Palpi with numerous short clavate papilla? truncate at the tip. 

 Scales fifteen pairs, minutely spinous, covering all the dorsum, and attached to segments 

 1, 3, 4, 6, 8, ... . 22, 25, 28, 31. Bristles of the dorsal lobe ranging from stout, 

 curved, and spinose inner forms to elongated ones with tapering, hair-like tips, finely 

 spinous. Bristles of the inferior division stouter, with spinous distal regions and simple 

 hooked tips. 



Gattyana oieeosa, Pallas, 1766. Plate XXV, fig. 3. 



Specific Characters. — Body of thirty-five to thirty-six bristled segments with a trans- 

 verse impression in most. Head produced anteriorly into two pointed lobes. Tentacles and 

 cirri densely covered with cilia. Scales, with the exception of the first pair, somewhat 

 reniform, with long cilia on the posterior and external margins, smooth to the naked eye, 

 but with many minute spines on the surface, the larger being external and posterior, 

 with the tips often bifid, generally pale olive or buff, and frequently with a dark spot at 

 the point of attachment. Dorsal bristles somewhat slender, with long tapering hair-like 

 tips and rows of spines. Ventral bristles with simple hooked tips, beneath which is a 

 spinous region which diminishes in length in the bristles from above downwards. 

 Ventral cirrus short, with a few short clavate papilla. Segmental process slightly 

 tapered towards the tip, and of moderate length. 



Synonyms. 



1766. Aphrodita cirrhosa, Pallas. Miscell. Zool., p. 95, Tab. 8, figs. 3—6. 

 1780. ,, scabra, Fabricius. Fauna G-roeuL, p. 311, n. 292. 



punctata, Fabricius. Ibid., p. 311. 



scabra, Bruguiere, Encyc. Method., vers, i, p. 88. 



mridis, Montagu. Trans. Linn. Soc, vol. xi, p. 18, Tab. 4, fig. 1. 



scabra, Savigny. Syst. des An., 26. 



punctata, Savigny. Ibid. 

 1828. Eumolpe scabra, De Blainville. Diet. d. Sci. Nat., vol. lvii, p. 459. 

 1834. Polynoe scabra, Aud. and Ed. Ann., 87. 

 1839. Polynoe mridis, Johnston. Ann. Nat. Hist., vol. ii, p. 437. 



1843. Lepidonotus assimilis, CErsted. Annulat. Danic. Consp., p. 13, figs. 3, 6, 14, 32, 33, 37, 38, 



45, 46. 

 „ „ scabra, Ibid. Gronl. Ann. Dorsib., 164, pi. 1, figs. 2, 7, 10, 13, 17 and 18. 



1850. Lepidonote scabra, Sars. Reise i Lof. og Finm., p. 209. 



1851. Polynoe scabra, Grube. Fam. der Ann., 37 and 120. 

 1858. Earmothoe scabra, Kinberg. Eug. Kesa, 21. 



1792. 

 1815. 



1820. 



1 The title Nychia had already been used by Stal for one of the Eemiptera, so that Malmgren's 

 name (1865) lapses. The term Grattyana may accordingly be appropriately substituted, after the 

 generous founder of the New Marine Laboratory at St. Andrews. 



