344 Wernertan Natural History Society. 



stinctd ; aperturd suborbiculari, intus obscurd ; peritremate fere 

 continuo, albo, reflexo, rotundato ; columelld subiiudatd, lubio co- 

 lumellari extenso, ad umbilicum fere velato ; innbilico mediocri. 

 Long. 1-1; lat. 0-7 poll. 



Hab. ad insulam Tablas dictam, Phllippinarum. 

 Mr. Cuming has obtained only a single specimen of this species : 

 it is very different from all the others, its pcritreme being continuous 

 nearly all round, the only interruj)tion being about a seventh where 

 it is intersected by the last volution ; colour dull light brown, with a 

 dark brown band in front of the suture ; the greater part of the last 

 volution dark brown, and having a light narrow band near the um- 

 bilicus in addition to the light band near the suture. 



Helix incompta. Hel. testa ovata, tenuiuscula, obscura ; epider- 

 mide fused, haud nitente induta, oblique tenuiter lineis incrementi 

 striata ; atfractibus quingue subconvexis, ultimo majori ; suturd 

 distinctd, antiee postic&que fused ; aperturd subrotundd, postici 

 subacuminatd ; peritremate tenuiter reflexo, rotundato, antiee sub - 

 truncato, albo ; columelld recld, albd, antiee subtriincatd. 

 Long. 1-1 ; lat. 0-66 poll. 



Hab. ad insulam Tablas dictam, Philippinarum. 

 Nearly resembling the hist in shape and in its dull surface, but 

 differs in having no umbilicus, and in its peritreme not being nearly 

 so continuous. The last volution has its suture brown, a brown 

 band in the middle and another round the columella. A single spe- 

 cimen only was found. 



Helix stabilis. Hel. testa ovoidea, solidiuscula, Icevis, nitidiuscu- 

 la, alba ; anfractibus senis, paululiim convexis, antiee castaneis, 

 nigro-fasciatis, oblique lineis incrementi striatis ; aperturd obli- 

 qud, subovatd, i)itiis albd, perislomate albo, incrassato, rotundato, 

 antiee subeffuso ; columelld albd, inconspicud, labio columellari 

 paululum expanso. 

 Long. 1-35; lat. 08 poll. 



A species which in general appearance bears some resemblance to 

 Bulinus ovoideus of Brug. and De F., tab. 112. f. 5, 6. (the same as 

 B. Luzonicus, ' Conch. lUustr.' Bulinus, f. .53.) ; this species, however, 

 increases more rapidly toward the anterior part ; it has, moreover, 

 one more volution. The aperture is placed very obliquely, so that 

 the shell stands firmly when placed upon it. l^he dark burnt colour 

 of the anterior part of this shell is seen in every volution in the 

 form of a spiral postsutural band. It has a thick light- coloured epi- 

 dermis, of which some traces have not been entirely effaced. — G.B.S. 



WERNERIAN NATURAL HISTORY SOCIETY OF EDINBURGH. 



April 17, 1841. — Professor Jameson in the Chair. 



A paper was first read " On the Nature and Currents of the At- 

 mosphere, and their Influence on the Variations of the Height of the 

 Barometer." By William Brown, Esq. 



Mr. Goodsir then read a paper " On a new Genus, with descrip- 



