References
- For Part XII., see Ann. & Mag. Nat. Hist. April 1924 xiii 9 409 424
- See Ann. & Mag. Nat. Hist. 1922 v 575 575
- 1919 . Arch. f. Naturges., Jahr. 1917, Abt. A, Heft 1 ,
- 1898 . Proc. Acad. Nat. Sci. Philadelphia , : 162 – 162 .
- 1859 . Ann. Soc. Ent. Franće , : 553 – 553 .