HALIOTIS. 



Plate IV. 



Species 10. (Mus. Cuming.) 



Haliotis Roei. Hal. testa suborbiculari-ovatd, depreaao- 

 pland, spiraliier cosfatd et liratd, costis lirisque alter- 

 iiaHtibus,pecidiarUer crehriscairosis, foraminihm par- 

 viusculis, octouis novermq^ue perviis ; extus vivide cocci- 

 neo-rubrd aid olivaceo-fuscd, radiatim albimarmoratd, 

 hit lis spiraliter sulcata, pulchre ii-ridesceide. 

 Eoe's Haliotis. Shell somewhat orbicularly ovate, de- 

 pressly flattened, spii'ally ribbed and ridged, ribs and 

 ridges alternating, pecidiarly closely scabrous, per- 

 forations rather small, eight or nine open ; exterior 

 bright scarlet red, radiately marbled with white, inte- 

 rior spu-aUy gTooved, beautifidly irridescent. 

 Gkay, Appendix to King's Voyage (Narrative of a Survey 

 of the coast of Australia, 1827), vol. ii. p. 493. 

 Haliotis scabricosta, Menke. 

 Hab. New Holland ; King, Menke. 



This very interesting species was originally collected 

 dm-ing Capt. King's Survey of the coast of Australia, and 

 named by Mr. Gray in honour of Lieut. Eoe of that Ex- 

 pedition in his Appendix to the ' Nan-ative of the Voyage ' 

 above refened to. M. Menke not being cognizant of this 

 book described the species in his MoO. Novse HoUandia; 

 under the name of H. scabricosta, and Dr. Philippi has re- 

 produced it under the same name in his ' AbbOd. und 

 Besch. Conch'. 



The external scidpture of the Haliotis Roei consists of a 

 number of alternating ribs and fine ridges, composed of iree- 

 gular scales closing immediately one upon the other. 



Species 11. (Mus. Cuming.) 



Haliotis IL^ri.e. Hal. testd ovatd, depres.nuscidd, spird 

 suhlaterali ; spiraliter costatd, costis depressis, perlatis, 

 oblique vix plicatis, supra md-bi-sulcatis, interstitiis 

 excavatis,foraminibus subamplis, qidnis perviis ; extus 

 aurantio-spadiceo variegatd, intns subargented. 



Mahia's Haliotis. Shell ovate, rather depressed, spire 

 nearly lateral ; spirally ribbed, ribs depressed, very 

 broad, slightly obliquely plicated, upper surface en- 

 graved with one or two grooves, interstices between 

 the ribs hollow, holes rather large, five open ; exte- 

 rior tinged \vith orange fawn, interior rather silvery. 



Gray, Wood Index Test. Supp. 1825. pi. 8. f. 6. 

 Haliotis dentata, Jonas. 



Hah. ? 



Tliis interesting species was named some twenty years 

 since by SL-. Gray in honom- of his kind-hearted and ac- 

 complished lady, so well-kuown to conchologists by her 

 spirited etchings of the MoUusca. It is so unlike any 

 other species of the genus that no one can fail to admire 

 it. The sm-face between the row of perforations and the 

 spire, is characterized by about half a dozen pecidiarly 

 broad depressed ribs, the interstices between which are 

 excavated into as many hollow channels ; and down the 

 flattened summit of each rib are one or two faintly in- 

 dented grooves. 



I have not as yet heard of more than tlu'ce specimens, 

 that in the possession of Mi-. Cuming here figured; one in 

 Mr. Gray's collection ; and one in the collection of Dr. 

 Jonas of Hamburgh, to whom my thanks are due for the 

 trouble he has taken in forwarding me di'a wings of it. 

 Although I am unable to adopt that gentleman's name for 

 this species, I feel equally indebted to him for his kind 

 services ; and I can only say that if all my continental 

 friends woidd be equally prompt in putting me in posses- 

 sion of their new unfigm'ed species of shells by the same 

 means, it would avoid a great deal of confusion, and enable 

 me to do justice alike to all authors. 



Species 12. (Mus. Cimiing.) 



Haliotis corrugata. Hal. testd ovatd, couvexd, .yjiru- 

 liter crebriliratd, liris undique turrddo-cormgatis, plicis 

 undatis interduni oblique decussatis,foraminibus per- 

 paucis, amplis, tubiferis, tribus tantum perviis ; extus 

 rubido-castaneo viridiqtie, nigra marginato, pulcherriuie 

 irridesceide. 



The wrinkled Haliotis. Shell ovate, convex, spirally 

 closely ridged, ridges prominently raised throughout 

 in swollen ■wrinkles, sometimes obliquely crossed witli 

 waved folds, perforations few in nmnber, large, tubi- 

 ferous, tlu-ee only open ; exterior rayed with dark 

 green and reddish chesnut, edged with black, very 

 beautifully inidescent. 



Gray, Wood, Index Test. Supp. pi. 8. f. 5. 



Hub. California. 



This fine large species, which is not imcommon in col- 

 lections, may be recognized by the conspicuous nodiUous 

 WTinkles with which its entire smface is covered ; it is a 

 thick heavy shell, rather more convex than usual. 



AprO, 1846. 



