36 SYNOPSIS OF SPECIES DESCRIBED. 
3. A. Mauricianus Rambur. (Supposition.) 
Nympha, full-grown, male and female, Mauritius Isl.; Zanzibar. 
Similar to A. formosus ; processes blunt, enclosing an obtuse angle; mask more suddenly 
enlarged; middle appendage nearly as long as inferiors. 
4. A. Junius Drury. (Raised.) 
Nymphe, full-grown and young, male and female. United States. 
Processes similar to A. formosus, more obtuse at tip, equal in size; lateral appendages 
cylindrical, pointed suddenly at tip; male projection notched at tip. 
5. A. Julius Brauer. (Supposition.) 
Nymphe, male and female. Japan. 
Processes and lateral appendages similar to A. formosus; male projection as in A. Junius. 
6. A. Guttatus Burm. (Supposition.) 
Nymphe, full-grown, male and female. Marshall Isl., Pacific Ocean. 
Body more elongated ; processes inequal, anterior blunt, posterior smaller, angular behind ; 
enclosing a very obtuse angle, with small median notch; male projection narrow at tip, cut 
square. 
7. A. Amazili Burm. (Supposition.) 
Nymphs, full-grown, male and female. Jamaica; Central America. 
Similar to A. Junius, but more elongated; processes of equal length and size, enclosing 
a very obtuse angle; lateral appendages sharply pointed; male projection shorter; notched 
at tip. 
8. A. spec. 
Nymph, male and female. East India. 
Similar to A. Junius; processes more blunt, posterior smaller, enclosing an obtuse angle; 
lateral appendages abruptly pointed ; male projection notched at tip. 
4Hischna Fabr. 
Body, long, stout ; head large ; eyes very prominent at the forecorner; mask extending to 
middle legs, broad, front border slightly produced in round or oblique lobe, cleft; legs longer, 
stouter ; abdomen broader; lateral spines on segments six to nine, or five to nine, or four to 
nine; appendages long, sharp; male projection conical; female valves reaching tip of segment. 
A. Lateral spines on sixth to ninth segments ; no teeth on front border of mask ; lateral 
appendages shorter than the inferiors ; middle one notched ut tip. 
9. #6. Rufescens Vander Lind. (Raised.) . 
Nymphs, full-grown, male and female. Europe. 
Hind angles of head rounded; mask large, gradually enlarged; processes enclosing an 
a 
