1861.] MR. G. U. GRAY ON NEW BIRDS. 427 



dula. Cardinis structura ut in Solene rarliato; valva dextra 

 deiite unico cum adjaccrdibus duabus foveoUs instrucia, quibus 

 denies subcouici duo valvce oppositcc respondent ; casta crassa, 

 alba, parum obligua, a cardine usque ad medium valvarum extendi- 

 tur, margincm versus cvanescens. NymphcB magnce, crassce ; liya- 

 vientum breve. 



Long. 50, alt. 24, lat. 1 1 mm. 



Concha nostra statura minore, breviore, ambitu fere exacte ellip- 

 tico, colore, necnon radio antico directo, baud obliquo, ab Aula ra- 

 diato satis differt. 



Hab. In Japonia (//. Cuming'). 



37. AULUS GRAYANUS, Dkr. 



Testa ovali-oblonga, subeUiptica, complanata, utrinque rotundata, ad 

 basin subsinuata, striis concentricis distinclis instructa, nitida, 

 pellucida, alba, radiis pallide lividis picta ; umbones prominuli ; 

 costa anyusta, eluta, parum obliquu, extrinsecus diaphana, mar- 

 ginem versus evanescens. 

 Long. 31, alt. 13, lat. 5 mm. 



Differt ab Aulo pulchro Gouldii praesertim valvulis altioribus, striis 

 concentricis distinctioribus, pictura languida. Sulcum parvum ad 

 umbones incipientem ad latus posticnm decurrentem, necnon stri- 

 gillas minimas paullo divergentes sub vitro invenies. 



38. AuLus ROSTRATUS, Dkr. 



Testa magna, ovali-oblonga, complanata, utrinque rotundata, antice 

 brevis, postice longe producta, attcnuata ; basis cequaliter cur- 

 vata ; dorsum utrinque compressum, carinam acutam formans ; 

 Ugamentum j)ro magnitudine testae breve, paullo immersum ; color 

 cretaceus, opacus ; epidermis crassa, coriacea, nitida ; umbones 

 prominuli, ad\ longitudiiiis testa siti, livido picti, radio albo ob- 

 scuro utrinque signati. 



Long. 132, alt. 58, lat. 20 mm. 



Species magna, forma sua rostrata ab Aulo grandi Hiudsii differt. 



Hab. In regionibus Arcticis {H. Cuming). 



8. Remarks on, and Descriptions of. New Species of Birds 



LATELY SENT BY Mr. A. R. WaLLACE FROM WaIGIOU, 



Mysol, and Gagie Islands. By George Robert Gray, 

 F.L.S., &c. 



(Plates XLIL, XLIIL, XLIV.) 



The following new species, which I beg to lay before the Society, 

 have been selected from- a series of 75 species of Birds obtained at 

 Waigiou, of which 10 species only had been previously noticed in 

 works as from that locality, also from a series of 102 species 

 procured at ]\Iysol, which is quite a new locaUty for the ornithologist. 

 There are further added some remarks ou pre^dously known species 



