Nov., 1902.] 
Passalus Cornulus. 
3*3 
Explanation of Plates. 
The Head. 
The Mesothorax 
i Vertex 
1 
Mesosternum 
2 Frons 
2 
Episternum 
3 Frontal ridges 
3 
Epimeron 
4 Eyes 
4- 
-5 Apparently absent 
5 Gena 
6 
Scutellum 
6 Antennal groove 
7 
Postsculelluin 
7 Genal ridge 
8 
Coxa 
(4’1 Genal emargination con- 
9 
Trochanter 
taining cardo 
10 
Femur 
(8) Clypeus 
1 1 
Tibia 
9 Gula 
12 
Tarsus 
I o Gular suture 
13 
Not represented 
1 1 Sub-mentum 
14 
Paraptera 
15 
Elytra 
i ’ Labrum 
The Metathorax 
2’ Antenna 
3’ Mandible 
1 
Sternum 
4’ Cardo 
2 
Episternum 
5’ Stipes 
3 
Epimeron 
6’ Lacinia 
4-7 Metanotum 
7 ’ Galea 
4 
Prescutum 
8’ Mentum 
5 
Scutum 
9’ Ligula 
6 
Scutellum 
ro’ Palp 
7 
Postscutellum 
8- 
12 Metathoracic Leg 
13 
Costa 
The Prothorax 
14 
Subcosta 
15 
Radius 
i Prosternum 
16 
Media 
2 Episternum 
17 
Cubitus 
3 Epimeron 
18 
Anal 
4-7 Pronotum 
19-23 Detached sclerites 
8 Coxa 
9 Trochanter 
25 
First Abdominal Spiracle 
to Femur 
The Abdomen 
(i Tibia 
12 Tarsus 
1- 
-7 Abdominal Sterna 
13 Jugular sclerites 
1’ 
-8’ Abdominal terga 
