Crabro subpunctatus. Rossi .. 
tarsatus. Shuck....... 
tibialis. Fab. 
transversalis. 
Shuck. 
Rossi 
PADZo «<0, 
Dans teats ae's.« 
variabilis, Schr. ...... 
vexillatus. Panz....... 
U. flavum. Panz. .... 
BRD eh er seres 
Shuck vs... 
Wesmaeli. V.d. Lind. 
xylurgus. Shuck. 
Crabronide. Leach 
Crossocerus elongatulus. 
trimaculatus. 
vagabundus. 
vagus. 
uniglumis. 
Walkeri. 
St. F. 
exiguus. 
gonager. 
St. F. 
luteipalpis. St. F. 
podagricus. St. F. 
St. F. 
St. F. 
St. F... 
leucostoma. 
Scutatus. 
subpunctatus. 
Wesmaeli. 
JiuRs exe Syave eee eee oi 
picts. Fab. 9.00. 
Diodontus. Curt. 
observations on ...... 
Gurteces« 
V.d. Lind.. 
luperus. Shuck. .... 
minutus. Fab....... 
tristis. V.d. Lind. .. 
Dolichurus. Latr. 
observations on .... 
ater. Latr. 
corniculus. 
Dinetus. 
gracilis. 
insignis. 
Spin... 
Economy and habits, general re- 
marks on the 
Evania maculata. 
ee ee weet wees 
Fabiixta. sce 
Fab. 
punctum. 
variegatu. 
INDEX. 255 
Page | Page 
147 | Euspongus laticinctus. St. Farg. 217 
133 | Eyes, the form and situation of 
177 they sao) sists loreraie Oe -at TS oi 8 
162 As 
102 Formicide. Leach .......... 28 
149 | Messones,, Watre' sais <ssdeeate 38 
145 Genera, characters of — should 
239 not divide the sexes 
132 (COTTA Meuarietoe cera Oe 142 
203 conspectus of the ...... 25 
107 questions as to the causes 
170 of the diversity in 
164 the number of their 
139 S/EEOEE He Gomaae Lt 23 
114 | Gonatopus mutillarius. Nees. . 36 
154 | Gorytes. Latr. ........-02. 209 
BPE 4 comments on St. Fargeau’s 
130 division of .......... 210 
153 arenarius. V.d. L. 215, 217 
155 bicinctus. Rossi ...... 219 
157 campestris, St. Farg... 214 
130 Fargeii. Shuck. ...... 214 
1a7 preys on Aphro- 
164 phora spumaria .. 215 
levis; Vaidelind.) sje. 221 
93 laticinctus. St. Farg. .. 217 
94 libitinarius, Curt. .... 215 
184 mystaceus. Lin. ...... 211 
184 preys on a spe- 
190 cies of Aphro- 
189 phora ...... 213 
186 quadrifasciatus. Fab. .. 215 
185 synonymy 
187 corrected 216 
63 quadrifasciatus, V.d. L. 214 
Ge Spin... 217 
oe tumidus. V.d. Lind. .. 222 
i) Guépe ichneumon. De Geer.. 126 
Habit, explanation of the term.. 3 
21 | Habits, general remarks on the.. 21 
69 | Halictus, species of, preyed on 
56 by Cerceris ornata .. 243 
71 Philanthus triangulwm 248 
