A Naturalist's Sojourn in Jamaica, London, 1853, p. 284.
Bull. Illinois Lab., iv. 1895, p. 193.
Miall's Aquatic Insects, 1895, p. 174.
"Studies," etc., Berlin. ent. Zeitschr. xxxi. 1887.
Tr. ent. Soc. London, 1897, p. 362.
A Naturalist's Sojourn in Jamaica, London, 1853, p. 284.
Bull. Illinois Lab., iv. 1895, p. 193.
Miall's Aquatic Insects, 1895, p. 174.
"Studies," etc., Berlin. ent. Zeitschr. xxxi. 1887.
Tr. ent. Soc. London, 1897, p. 362.