1915] Turner: Breeding Habits of Ceuthophilus latens 35 
by the cerci clasps the posterior end of the abdomen of the female 
(fig. 3). There is no superposition of the bodies. It is rare that 
the female responds immediately and the male crawls about over 
her body, manipulating different portions with his mouth parts, 
clasping and pulling with his cerci and vibrating his antennae. 
In one case the male clasped the posterior femur of the female 
and remained in this position for several minutes. Approximately 
twenty minutes was the longest time that the female submitted 
to such caressing without moving away or allowing the male to 
copulate. Copulation lasted from two to twelve minutes, both 
animals remaining absolutely quiet during this time. The same 
pair was often observed in copulation a second time after an 
Fig. 3. Position During Copulation. 
interval of from a few seconds to two minutes. During this 
interval the male was frequently seen to raise himself “upon 
tip-toes” and, arching his back to bring the head and the pos- 
terior end of the abdomen together between his legs and to man- 
ipulate his genitalia with his mouth parts (fig. 4). This move- 
ment sometimes takes place also before the first copulation but 
not usually. One case was observed in which a female assumed 
a similar position between copulations. During the copulation 
the female takes no aggressive part; she accepts the attentions 
of the male or walks away. It is of interest to note that the male 
follows the female only as long as she remains within reach of 
his antennae. 
