OF SOUTHERN INDIA. 87 
Pal. Calif. 1864, I. Pl. 19, Fig. 56), also a similar species to Fulg. elongata, but 
apparently with the transverse ribs very slightly marked, and the whorls posteriorly 
less constricted; Voluta deperdita, Sow. (Binkhorst, Monograph Gast. et Ceph. 
Limbourg, 1861, Pl. II, Fig. 7 and Pl. 5%, Fig. 1); Volutil. Eufaulensis, Conrad, 
(Jour. Acad. nat. sc. Phil. 2 Ser. IV, p. 286, Pl. 47, Fig. 18) and others. 
1.—FULGURARIA ELONGATA, D’Orbigny, sp. Pl. VII, Figs. 1—9. 
1843. Voluta elongata, D’Orbigny, Pal. Franc. Crét. II. p. 323, t 220, Fig. 3. 
(non Fasciolaria elongata, Sow. 
1846. », Trichinopolitensis, Forbes, Trans. Geol. Soc. Lond. VII 133, Pl. 15, Fig. 5. 
1865. Volutilithes elongata, D’Orb. sp.; Stoliczka, Sitzh. Akad. Wien, LII Revision etc. p. 74, with references 
to previous authors. 
Fulg. testa fusiformi, elongata, spira plus minusve extensa; ultimo anfractu 
maxuno, postice subinflato, antice valde attenuato; anfractibus omninis ad sutu- 
ram valde constrictis, infra contractionem angulatis atque infra transversim costatis ; 
costis 12-15 im uno circuitu, ad angulum plus minusve elevatis seu subtuberculatis, sin- 
gulis in medio ultimi anfractus atque omminis prope aperturam evanescentibus ; super- 
ficie spiraliter crasse-striata ; striis elevatis acutis, equidistantibus, ad suturam nonnun- 
quam plus numerosis atque tenuioribus ; apertura longissima, postice subeffusa ; labro 
postice ad marginem calloso, parum insinuato, ad medium atque antice subacuto 
undulateque marginato ; labio calloso, ad medium triplicato, extus in margine colu- 
mellari valde angulato, intus lateraliter plano, ibidem atque postice levissimo. 
In my revision of the Gastropoda of the Gosau-formation, quoted above, I have 
given a list of synonyms of all the forms which have most probably to be referred to 
this species. I have added here the V. Trichinopolitensis of Forbes; as, although with 
some doubt, I can scarcely think that Prof. Forbes could have had another fragment 
before him. Among all the fossils of our very extensive collection from the Trichi- 
nopoly district, there is none other to which it could be referred, and I have figured 
purposely similar specimens on Pl. VII, Figs. 5 and 6, which are evidently very like 
Forbes’ representation, save in the size. 
The above description refers to the numerous specimens in general, but there are 
several very marked variations to be recorded. We figure the principal of these, and 
although it would appear that there could be no great difficulty in distinguishing at 
least three distinct species, we are fully convinced that it is impossible to do so, 
except by ignoring all the intermediate forms. We have compared several hundred 
specimens from the Trichinopoly district, and all of them agree in the specified 
characteristics. The spiral striew, being usually on the last whorl all of equal 
strength and distant from each other about twice their thickness, are very charac- 
teristic. Occasionally they become obsolete in large specimens, except on the anterior 
portion of the last whorl (see Fig. 5), or in other more inflated specimens they 
alternate with somewhat thinner ones (see Fig. 7). The strie of growth are occa- 
sionally more strongly marked and partially intersect the spiral strie. On the 
. 
