IOWA ACADEMY OF SCIENCES. 
75 
Fig. 4. — Head, etc., of 7 ettigonia occatoria from Mississippi. 
The figures on the lower half of the plate are drawn to a smaller 
scale than those on the upper. 
plate v. 
Fig, 1 . — Tettigonia bifida. Female. 
a , profile; b y elytron; c, 9 genitalia; d , $ genitalia. 
Fig. 2.— Head, etc., of Tettigonia geometrica. 
b, elytron. 
Fig. 3 . — Tettigonia tripunctata. 
a, profile; b, elytron; c, 9 genitalia; d, $ genitalia. 
Fig. 4.— Tettigonia hartii. Female from Ohio. 
a, profile; b, eJytron; c 9 genitalia; d, ^genitalia. 
e , Male of same from Ohio. 
PLATE VI. 
Fig. 1 — Head, etc., of Helochara communis. 
a, profile; c, 9 genitalia; d y $ genitalia; e, antenna (enlarged). 
Fig. 2. — Head, etc., of Diedrocephala coccinea. 
a , profile; b, elytron (reduced); c. 9 genitalia; d, ^genitalia. 
Fig. 3.— Head, etc., of Diedrocephala versuta. Typical form from Ten- 
nessee. 
Fig. 4.— Head, etc., of D. versuta , var. lineiceps from Texas. 
Fig. 5. — Head, etc., of D. versuta , var. cythura from California. 
Fig. 6. — Head, etc., of Draeculacephala floridana from Florida. 
d , $ genitalia. 
Fig. 7 . — Draeculacephala gillettei. Female, Colorado. 
a, profile; b, elytron; c, 9 genitalia; d, ^genitalia. 
Fig. 8. — Head, etc , of Draeculacephala reticulata, 
d , $ genitalia. 
PLATE VII. 
Fig. 1. — Head, etc., of Draeculacephala mollipes. Female from Iowa. 
a , profile; b, elytron; c , 9 genitalia; d , ^genitalia. 
£, Head, etc., of male of same. 
Fig. 2. — Head, etc., of D. mollipes , var. 7-guttata. Female from Florida. 
k , Head, etc., of male of same from Mississippi. 
Fig. 3. — Head, etc., of D. mollipes, var. minor. Female from California. 
£, Head, etc., of ma e of same from Mexico. 
Fig. 4 —Head, etc., of Draeculacephala angulifera . Female from Iowa. 
a , profile; d , $ genitalia. 
£, Head, etc., of male of same from Iowa. 
Fig. 5. — Head, etc., of Draeculacephala manitobiana, Female from Colo. 
a , profile; d ^genitalia. 
k , Head, etc., of male of same from Colorado. 
Fig. 6.— Head, etc., of Draeculacephala novaeboracensis . Female from Iowa, 
a , profile; d , ^genitalia. 
k , Head, etc., of male of same from Iowa. 
