SEA-URCIIIXS. 



495 



Two new n.ames are introduced in the Systematic P:irt :— 

 Menapyqus as a subgenus of Piigaster, corresponding with the 

 i^/y«.si;/-(sens.str.)of Poniel (37), with type M . umhreUa ■ nm\ 

 C'onidopsis, a genus inchidiug tlie '' Echinocomis" of Desor (21), 

 witli type C. roemeri d'Orbigny. The hitter group will be 

 studied in greater detail in a forthcoming paper. 



VIII. List of Literature consulted. 



(The numbers of pages and plates in square brackets are those 

 which have a special bearing on the subject. Where no such 

 ln'ackets are present, the whole paper has been consulted.) 



1 17;U. J. T. Kr.Eix.— Naturalis dispositio Ecliinodermatum etc. [p. 2i; 



2 18'n C Stokks'— Extracts from a letter explanatory of three drawings of 



Echini. Trans. Geol. Soc, ser. ii, vol. u, p. 406 

 3. 1829. J. Phillips.— Illustrations of the Geology ot Yorkshire, etc. 1 art 1. 



4 18.35 C. I)ESMoVLiNS.-Etiides' sur les Echinides. II. Generalites. Actes 



Soc. Linn., Bordeaux, Tome vu, pp. 31o-132. 



5 1836 E GKVTELOUP.-Memoire de Geo-zoologie sur les Oursnis fossiles 



■ ■ (Echinides) qui se rencontrent dans les Terrains calcaires 'les environs 

 de Dax Actes Soc. Linn., Bordeaux, lome viii, pp. 103-191 ; 

 I'ls. i. & ii. [pp. 140-160; PI. ii.] 



6. 1837. L. AGASSiz.-Prodrome d'une Monographic des Badiaires ou Echino- 



dermes. Mem. Soc. Sci. ^^It., Neufchate, 'Lome i. (Also in) Ann. 

 Sci Nat,Tome vii (andin) AinialsNat. Hist., v.d i. [p. 302.J 



7. 1837. C. DESMOULiNs.-Etudes sur les Echinides. III. ^v»onymie generale. 



Actes Soc. Linn., Bordeaux, Tome ix, pp. 4o-3b4. [pp. 92-lOo ; 



8. 18.39. L. A^GASslz.-Description des Echinodermes fossiles de la Suisse 



Premiere partie. Spatangoides et Clypeastroidcs. [pp. bl-94 , 



Pis. vi. ; x-xii his.'] ^ ^ . . . , 



9 1840 L. AGAssiz.-Catalogus systematicus Ectypovum Echmodermatum 



fossilium Musei Neocomensis etc. [pp. 3-7.J 

 10. 1S41 L. A GASSiz.-Monographiesd'Echinod(.rmes,vivanset fossiles. Lch.n- 



ites. Famille des Clypeastroides. Mon. II. Des fecutelles. 

 11 1842 E Desoh.— Id., Mon. III. DesGalerites. , , , .„ , 

 1 o 1817 T Ar Assiz & E Desoe.— Catalogue raisonnee des families, des genres, 



12. 1847. I^-AGA^^^^3^,JJ;;i/,^,,,,,,e des Echinodermes, fasc. 2. Ann. Sci. Nat., 



ser. iii, vol. vii, pp. 129-168. [pp. 143-153.] 

 IS 1849 E FoRBES.-Mem. Geol. Surv., United Kingdom Figures and 



13. 184J. 1.. ^j«^^,^.;^^j^^^^ ^j. ^^.^-^ Organic Kemains. Decade I. [Pis. vii & 



14. IR.oO E Fokbes.— To))). r(Y., Decade III. [Pis. yi-\iii.] .... c 

 ]t' ISs"' T WEiGnT.-On the Cassidulida3 of the Oolites, ^vIth descriptions of 



15. 180.. i. VV^Kic ^^^^^ ^ ^^.^^ ^^^ ^^^^^ Ann. Mag,. Nat. Hist., ser. ii, 



vol ix, pp. 81-103 et seqq. [pp. 88-98 ; P s. ii, & i v J 

 IR lfi^4 G CotteVu -Etudes suv les Echinides tossiles du departcment de 



16. 18o4. C-<j«™y- r^l^^^ I ^,^,^.,i„ j,„.a.sique. [pp. 194-220; Pis. xxvn- 



1855 T WiuGlT.-Monogr. Brit. Foss. Echinod., Oolitic Formations. 

 Part L Pala-ontographical Soc. [pp. 19, 20.J . ■, a 



1856 A Leymerie & G. CoxTEAU.-Catalogue des Echinides foss. es des 

 l»oo. A. j,^^ ,^_,^^^ j^^^jj j,^^ f,.^^ Fvimce, ser. ii, lome xiii, pp. 319-3oo. 



IQ 1856 J Av'sfLTEE^llem. Geol. Surv., United Kingdom. Figs, and Desc, 



19. 1»°6. J.N . .^^ ^^^^^ ^^^^_^^^^y [Pl..vii&viii.J 



20 1856. T. WRiGHT^Monogr. Brit. Foss. Echinod., Ool. lorm., Part II. 

 ^"- IVueontogr. Soc. [PP- 258-290 ; Pis. xviii-xx.] 



21 1857 E Desor. -Synopsis des Echinides tossiles. [pp. 161-197; Pis. xxii- 



17. 

 18. 



XXVI. 



