4880 pessoides — petalus 



pessoides Goniatites, L. v. Buch, Ber. Verh. k. pr. Ak. Wiss. 1838, 33; Abh. ph.-Kl. K. pr. 



Ak. Wiss. 1838 (1840) [1839], 152. 

 pessulatus Bulimus, L. Reeve, Conch. Icon. V. — Bulimus, no. 153, June 1848. 

 pessulata Mangelia, L. Reeve, Conch. Icon. III. — Mangelia, no. 38, June 1846. 

 pessulata Pleurotoma, L. Reeve, Conch. Icon.— Pleurotoma, no. 115, June 1843. 

 pesthiense Opatrum, Frivaldzsky in H. C. Kuester, Kafer Europas, XVI. 1849, 63. 

 pesu Brycon, Joh. Mueller & Troschel, Horae Ichthyol. (i & 2) 1845, 16 & 30. 

 Petacula S. D. W., The Analyst, III (14) Jan. 1836, 213.— A. 

 [petagna^.] 



petagnae Eresus, V. Audouin in Savigny, Egypte, I (4) (Expl. pls. Arach.) 1826, 151. 

 petagnae Holothuria, S. d. Chiaje, Mem. An. s. vert. Napoli, I (2-4) 1824, 112. 

 petagnae Mytilus, A. Scacchi, Lettera Test. Nap., Dec. 1832 [7]. 

 petagnae Venus, O. G. Costa, Cat. Test. Sicilie, 1829, pp. xxxiv & xxxv. 

 petagniana Osirusa, A. Risso, H. N. Europe, V. 1826, 132. 

 petalarius v. petolarius. 



Petalaster J. E. Gray, Ann. Nat. Hist. VI. Nov. 1840, 183. — Ast. 

 petallatus {sic) Echinus, F. M'Coy, Ann. Mag. N. H. (2) II. Dec. 1848, 409. 

 Petalepas F. Cantraine, BuII. Ac. Roy. Brux. II. 1835, 400. — Cirr. 

 Petalia J. E. Gray, Mag. Zool. Bot. II (12) 1838, 494.— M. 



Petalifera J. E. Gray, Proc. Zool. Soc. London, XV (178) Nov. 1847, 162. — Nud. 

 petalifera Aplysia, P. S. Rang, H. N. Aplysiens, 1828, 52. 

 petaliferus Echinus, Desmarest, Dict. Sci. Nat. XXXVII. 1825, loi. 

 petalifera Petalifera, J. E. Gray, Proc. Zool. Soc. London, XV (178) Nov. 1847, 162. 

 petalifera Salenia (Desm.), L. Agassiz, Mon. Ech. I. 1838, 9. — Echinus. 

 petaliformis Astraeopora (Lonsd.), A. d'Orbigny, Prodr. Paleont. I. 1849 [Jan. 1850], 50. — 



Porites. 

 petaliformis Plasmopora (Lonsd.), Edwards & Haime, C. R. Ac. Sci. (Paris) XXIX. Sept. 



1849, 262. — Porites. 

 petalliformis {sic) Porites, W. Lonsdale in R. I. Murchison, Silurian System, Jan. 1839, 687. 

 petalina Anthophora, K. Illiger, Mag. f. Insektenk. (Illiger) V. 1806, 114 [n. n.]. 

 petalina Venus, Lamarck, An. s. vert. V. 1818, 603. 



Petalocephalus T. G. v. Lidth de J., Rec. fig. Vers intest. 1829, descr. to pl. iv. — Verm. 

 Petalocheirus Palisot de B., Ins. Afr. Amer. ( — ) 1806, 13. — Col. 



Petalochilus C. J. Schoenherr, Gen. et Sp. Curc. I (i) 1833, 22; & III (2) 1836, 591. — Col. 

 Petaloconchus I. Lea, P. Amer. Phil. Soc. III (27) Sept. 1843, 162. — Verm. 

 Petalodes C. Wesmael, N. Mem. Ac. Roy. Brux. XI. 1838, 123. — Hym. 

 Petalodes E. Newman, Entomologist (i) Nov. 1840, 9. — Col. 



petalodes Laganum, H. F. Link, Beschr. Nat. Samml. Univ. Rostock (3) 1807, 161. 

 petalodes Spatangus, Agassiz, Ann. Sci. Nat. [3] (Zool.) VIII. July 1847, 7. 

 petalodea Asterias, A. J. Retzius, Diss. Sp. Aster. 1805, 16. 

 Petalodus R. Owen, Odont. (1840), 61.— P. 



petaloides Chiton, A. A. Gould, Proc. Boston Soc. N. H. II. 1848 (1846), 144. 

 Petalon C. J. Schoenherr, Gen. et Spec. Curc. I (i) 1833, 102. — Col. 

 Petalon Perty in Brulle, H. N. Ins. I. 1846, 258.— Col. 

 Petalonia G. Fischer, Enchirid. 1823, 11 [n. n.]. — ? Polyz. 



Petalophora J. Macquart (Rorefs Suite a Buffon), Dipteres, II. 1833, 454. — Dipt. 

 Petalophora J. O. Westwood, Cab. Orient. Entom. 1848, 85. — CoL 

 Petalopora W. Lonsdale in F. Dixon, Geol. Sussex, 1850, 285. — Polyz. 

 Petalops Amyot & Serville (Rorefs Suite a Buffon), Hemipteres, 1843, 201. — Hem. 

 Petalopter^rx F. J. Pictet, Mem. Soc. Phys. H. N. Geneve, XII (2) 1851, 293. — P. 

 Petalopus Kirby & Spence, Introd. Entom., ed. 5, II. 1828, 348. — Hemipt. [Col. 



Petalopus V. v. Motschulsky, Bull. Soc. Imp. Nat. Moscou, XVIII. 1845 (i) 1845, 107. — 

 Petalospyris C. G. Ehrenberg, Ber. Verh. k. pr. Ak. Wiss. 1846 (Jan. 1847) Tab., p. 385. — P. 

 Petalostoma T. G. v. Lidth de J., Rec. fig. Vers intest. 1829 (Pref. p. 2). — Verm. 

 Petalum L. Agassiz, Nomen. Zool. Index Univ. 1846. — eniend. pro Petalon, Perty. 

 Petalura W. E. Leach, Zool. Miscell. II. 18 15, 95.— Neur. 



petalus Polyommatus (Cr.), J. B. Godart, Ency. Meth. IX (2) (Ins.) 1824, 672. — Papilio, 

 petalus Tachina, F. Walker, List Dipt. CoII. B. M. (4) 1849, 759. [i779- 



