Mo\o.(l!Arn OF niUTISir L\NIi A^M( Fli|.;silw\TKil MoLLrsrA, 



Geomalacus maculosus All 



ii:in. 



lS4(i Geomalacus maculosus Allmaii, Ann. an. I .Ma- \ II wii i, -jy; ,,1 <i f i." 

 1,S(J7 — "/"//v■/r.^■,■ Mal-ill.', Urv, et .Ma--. /a».l iP ,",7 ' ' .I-',- •■ 



isfio — his'itiiims l'oll.>iirni, i;.,ll. .Mus. Zoul 

 1S7 ' 

 1 



tc, ],. 



S7.2 Lctuiinicrni.rid liixllniiii da Silvae ( 'astm, Moll. Tcit. el l-'hiv. I'drtn^al, ii. '242 

 87/ Liiiin.r lusifiniiis Moix'lct, .lnurii. ile (.'(inch. p. 2.">!l. 



' I^ISTORY. Giniiinlilrlis iiillcu- 



«"^ & /iisiis (miicnl<i>!iis, sjiDtted) wa.s 

 iivst (li,^Cl.l\•L'l■ell ill the vicinity iif 

 Lniig'li (Jarai^li, Ci.i. Keny, [reiaiiil, 

 (luriiiLC the uutuuiu uf 1842, l.i\' tlie 

 late Mr. W. .Viuh-ews, of Dublin, 

 who, perceiving;- the interest ami 

 novelty of the animal, forwarded 

 exaniple.s to Prof (.r. J. Alhnan, 

 \vho exhil.iited and described the 

 new niollu.sk at tlie meeting of the 

 Dublin Xatnral Hi.story Society in 

 Jaimaiy, lS4o. 



With this interestint;' species, 

 Ivieut.-Col. H. H. (lodwin-Austen, 

 ]'\R.8., is associated, in aiiiirecia.ti"\'e 

 expression of the merits of liis 

 ma.sterly moncigraph of this species, 

 ]iu1)lished in his great work, "The 

 J/aiid Shells of Inilia." 



Diagnosis.— (ieonKihicu^ muru- 

 /iisits is the only species of the genus 

 f lund in tliis country, and is at once 

 seiiaral)le fi-om the several kinds iif 

 "^ ^[niiii by the possession of a solid, 



calcareous oval plate beneath the shield, by the jmsitioii of the generative 

 aperture near the base of the right ommatophore, somewhat as in Liiit<i,i\ 

 and from all the Liiiuici'^ l.iy the presence of the caudal niiuMis gland and 

 the anterior position of the respiratory urittce. 



I^'TKRN.VLLV, it is distinguishal.)le by the exceedingly iirohniged atrium, 

 and the genital retractor muscle being attached only l.o the spermatheca 

 and its stem, and mjt to the oviduct also, as in Arlnu. 



Description — .Vxi.M.VL very extensible, and reaeliiiiL;' to lifty-live mill, (n- more 

 when adult, some ^"e^y large s|ieeimeus collected at < lleii,i;arill' liy Mr. A. W. Slelfox 

 were nearly ninety mill, in len,;;th ; the IloliV is i;lossy, I'overed with aliout tweniA-- 

 live longitudinal rows on each side of |iolyg<mal urannlalions; hiackisli oi' dark-L^rey 



^ 



'ru-iU^-o^^UUt/ ~ 





Fi,,. LV,i;. Fi<.,. 2o7. 



I''n;. 2oi). — Dorsal vwj,-^ of i.n-i'Duihxcu^ ntacnii'Sii^, sh^jwin;. 



pignienied areas, eniargeii (after Heynuniami). 



r'i(i. 2.57. — Grou\iiig of ihe hliultrr-part of foot of ih'onialacus 

 Fk;. 2.5.S. — Caudal end of ihe liody of Geomal.icus macuiosK 



candui slruid, enlar,L,^r^d (afier (.lodwin- Austen). 



Fh;. 2:>.s. 



th-ii- forni aii'l iXvt ari-aii-'.iii'tm uf th 



'iiaculosus. eniargrd (after Sinirntli). 

 .-. sh"\\ing [lie sii|ir,t-|iedal ::riirj\ cs an 



