272 PROCEEDINGS OF THE AMERICAN ACADEMY 



992. SYMETHA.* 

 1828. Ilorsf., Descr. Cat. Lep. E. Ind. Co. 59, expl. pi. 2 : Symethm 



(Pandu). Sole species, and therefore type. 

 1832. Boisd., Voy. Astrol. 72 [Simoethus] : Rex, Pandu. 



The name, being derived from that of the species upon which it is 

 grounded, falls. It is also preoccupied in Crustacea (Hafin. 1814). See 

 Gerydus and Miletus. 



993. SYMMACHIA. 



1816. Hubn.,Verz. 26: Helius (Ochima), Probetor (Probetrix). 

 1837. Sodoffisk., Bull. Mosc. x. 82 : not knowing that this name was 

 already in use, proposes to employ it in place of Hesperia. 

 1847. DoubL, List Br. Mus. 8 : employs it for Probetor and others. 

 1851. Westw., Gen. Diurn. Lep. 444: makes a similar but more 



extended use of it. 

 1867. Bates, Journ. Linn. Soc. Lond. ix. 437 : extends it still 



further in the same sense. 

 1871. Kirb., Syn. Cat. 313 : the same. 

 Probetor is therefore the type. 



994. SYMMACHLAS. 



1820-21. Hiibn., Exot. Schmett. ii. : nigrina. Sole species, and 



therefore type. 

 1821. Ib., Index, 5 : nigrina. 



995. SYMPH^EDRA. 



1816. Hiibn., Verz. 40 : ^Eropus (^Erope), Thyelia (Alcandra), 



Evelina, Lysandra. 

 1844. Doubl., List Br. Mus. 105: [Symphedra]. Employs it for 



Thyelia and unnamed species only. 

 1850. Westw., Gen. Diurn. Lep. 294: Thyelia, ^Eropus. 



Used in same sense by subsequent authors. Thyelia becomes the 

 type, through Doubleday's action. 



996. SYNALPE* 



1870. Boisd., Lep. Guat. 36: Thirza (Euryale). Sole species, and 



therefore type. 

 Falls before Anelia. See also Clothilda. 



997. SYNAPTA* 



1865. Feld., Reise Novara, 294: Arion. Sole species, and therefore 



type. 

 The name is preoccupied in Echinoderms (Eschsch. 1829). 



