ERRATA AND REMARKS. 



Sp. Ki. For TJ. ntyocost(itH.-i—rt}S.A hrms, Say. 



Sp. 30. For U. striatus — read Coo/Hrianux, Loa. 



Sp. 32. For f. noduloms — read Zeeai, Gray, Griffith'.s ed. 



Cuvicr, Moll. pi. 21. f. 1. 

 Sj). 35. Is not tho U. perpllratiis of Conrad, Proc. Nat. Sc. 



rhilad. vol. i. p. 19, which is probably the true atro- 



Sp. 36. Is not the U. semiurauomis of Von dem Bnsch, in 

 Philippi's ' Abbildungen ' (vol. i. p. 19), which looks 

 more like corium. 



Sp. 37. For ['. pliciferus — read V. eromdi/uyniii, Morelet, 

 Test. Noviss. vol. i. p. 28. River U.smnasinta, Cen- 

 tral America. 



Sp. 61. f'. i/tviatiis — reference should be Anthony, Amer. 

 Joimi. Conch. 186.5, p. 165. pi. 12. f. 2. 



Sj). 68. V. iiKckopsis — reference .should be Conrad, Joum. 

 Ac. Nat. So. Philad. ser. 2, vol. i. p. 276. jd. 37. f. 8. 



Sp. 72. Is not the U. mum/us of Lea, but nearer his iltmrc- 

 siaiais and riiiicobis. 



Sj). 76. Is not the fT". Jlniikyaui/^ of Li'a. but nearer his 



Sp. 77. U. »»«//«v— compare with tliis ;'. .«/■/«., Lea, Obs. 



on ITnio, vol, viii. p. 253. 

 Sp. 78. Is not tho I', fiibrostrntiis of Say (New Harmony 



Cissem. U. Knowl. 1831), but nearer the jxitulm of 



Lea, Obs. on Unio, vol. i. 

 Sp. 106. V. yotiindattm — names are wlmllv erroneous. 



Tryon thinks the figui-e is nn ant lor U. Eifiieriumix 



of Lea. 

 Sp. 110. r. Xapeaiwnsis — add reference .louin. .\c. Nat. 



Sc. Philad. ,ser. 2. vol. ii. p. 296. jd. 21. f. 4. 

 Sp. 119. r. Vii/iioimiiiis — add relerence Mitn/ari/niia Vi- 



riiiMiiiiiti^ Bemardi, .Journ. Condi, ser. 2, vol. iii. p. 



302. pi. 10. It is at least as much an Amdon as a 



Sp. 131. For r. /nr/rfc«.?— read fai-iduis, Benson, Ann. 

 Nat. Hist. 1862, ser. 2, vol. x. p. 188, in part. It is 

 the U. trirostris, Benson, MS. in Hanley's ' Photo- 

 graphic Conehology," pt. 1. (1862). 



Sp. 147. f". iiionialus — reference should have been Lea, 

 Obs. on Unio, vol. vi. pi. 24. f, 6. 



S]). loO. f. aiiralKs-^aM as authority Ilcinley, E. Bi- 

 valves, p. 348, pi. 21. t 29. It is to be regretted that 

 many of Benson's Indian Ilnionea (such as Ascia, 

 corbis, radula, etc.), figured in that cheap and useful 

 compendium, are no longer accessible. 



Sp. 195. U.olivariits — add as authority Lea, Obs. on Unio, 

 vol. i. ]). 118. pi. 16. f. 38, and for habitat Hindostan. 



Sp. 207. For V. Mure/,im„uoi,<x—rvo.i U. Doiiglasht, Gray, 

 Griffith's ed. Cuvier, Moll. jil. 21. f. 2, and put jiri- 

 vious name as synionym. 



Sp. 208. U. exujmis is not so of Lea, but possibly liis 

 fatiiiis (Obs. on Unio, vol. iii. p. 39). 



Sp. 211. V. MuhlfildtiaiiHs—fm f O-rJad jd. 12. f. 36. 



S|.. 222. (,'. Iiidifi,s—i.-t,m\Km- r. lriei,dMl,i.-< of Benson 

 (Ann. Nat. Hi.-t. ISG2, ser. 2, vol. .x. ji. 190), and lia- 



vol. iii. 



, pi. 23. i. 



I authority, Lea, Proc. 



Bourgi- 



jaheii^is of Lea (Obs. on Tmio, 

 53). 

 ;Sp. 224. U. AVn.w«s»'— substitute : 

 Philad. 1804. 



Sp. 225. U. Valciiitaiiiis — compare U. umbo: 

 gnat, in the Rev. et Mag. Zool. 



Sp. 226. U. Caffcr — V. Afrieanns, Lea, Obs. on Unio, vol. 

 vi. pi. 27. f. 15, seems identical. 



Sp. 260. TJ. Uomd—im vol. ii. read vol. \-i. 



Sp. 262. v. crisphtikutus — substitute as authority, Ben- 

 son, Aim. Nat. Hist. 1862, vol. x. p. 193, and add 

 Birmah as locality. 



Sp. 264. r. Cumiiiijii — sulpstitute as reference, Proc. Ac. 

 Nat. Sc. Philad. vol. vi. ji. 54, and for habitat North- 

 ern China. 



Sp. 275. r. discoideiis is not so of Lea ; it approaches his 



Sp. 280. U. plicatus — both name and synonyms must be 



suppresse<l. 

 Sp. 286. U. C/iiknsisscc the Chikyisis of Gray (Spic. 



Zool. pi. 6. f. 12) : Parreys does not describe shells. 

 Sp. 292. For U. subti-igoiius — read Cambojcnsis, Petit {Mo- 

 itoeoHdi/hea), ,Tourn. Conch, 



idini; to Ben.son is merely his 



^, l;. , r.ivalves, p. 382. pi. 23. f. 



-!p. 299. U.j!:; 



i: srabn.. 



40), and r., 

 ■<p. 306. For / . 

 Sp. 310. U. dim- 

 ■;|>. 322. U. triij 

 ■;p. 324. U. rmt 



i/linidiat/is — read f. liiteidiis, var. 

 -the habitat, at the least, is erroneous, 

 s is not that of Lea. 

 i is not that of Lea. 

 Sp. 331. V. trifostris is merely a fonn of cttriiktts. 

 Sp. 345. For V. sagrinatm — read U. Newcombianm, Lea, 

 Journ. Ac. Nat. Sc. Philad. ser. 2, vol. v. pi. 30. f. 

 27. Thi' habitat is Nicaragua. 

 S]). 347. U. Jtytiinis is Tiot so of Lea, but the di/nr^sfius of 



D'Orbig-ny (not of Lamarck), from Chili. 

 Sp. 405. r. cniitortHs — compare V. dinri/eii.i, Benson, 

 Joum. Asiat. Bengal, vol. xxiv. 

 The ]iictorial element having ever been the pervading 

 principle (jfthe ' Conchologia Iconica,' good species have 

 been frequently omitted, not fi-om ignorance, but from 

 slieer inability to procure examples for delineation. The 

 reader is recommended to consult the foDowing works, 

 which contain descriptions of interesting Uniones : — 



MoKELET, ' Testacea Novissima ' (descriptions utterlv 

 inade.iuate). 



Proceedings of the Academy of Nat. Sc. of Philadelphia, 

 vuls. iii., vi., vii., and for 1866 (usually the .same fault). 



Proceedings of the Bo.ston Nat. Hist. Society, vols, ii., 

 iii., v., vi. (ditto). 



Tuvon's ' American Journal of Conehology.' 

 Journal do Conchyliologie, vols, iii., iv., viii., xiii. 

 Annals of Natiu'al History, 1862, vol. x. 

 ZeiLsehrift fiir KU Malaeo/.oologie, 1840, 1848, 1851, 



Ma 



lattci 



1859, 1860. 



