316 MESSES. B. C. A. WINDLE AND E. G, PARSONS ON [Mar. 7, 



Panniculus. — Brady podidce. The three records which we have 

 of this muscle in Bradyinis all agree in stating that the dorsal 

 portion is very feebly marked. The ventral part or abdomino- 

 humeralis passes backwards as far as the outer surface of the 

 thigh, whilst anteriorly it covers in the axilla, and is attached 

 to the pectoral ridge deep to the pectoral muscle. We have 

 succeeded in satisfying ourselves that the sterno-facialis and 

 sphincter colli are both absent in this family. 



Myrmecopliagidce. In CyclotJiurus the alDdomino-humeralis re- 

 sembles that of the Bradypodidce ; it is well marked on the outer 

 side of the thigh and extends as far as the knee. Humphry (17) 

 describes a femoral attachment between the ectogluteus and 

 vastus externus. In Tamandua (14) the dorso-humeralis is 

 better developed than the abdomino-humeralis. 



Dasypodidce. In this family the panniculus is remarkably 

 specialized, being divided into a number of slips which are inserted 

 into the carapace. In Tatusia 2^e:ha (25), Macalister describes 

 seven parts, viz. : (a) abdomino-femoral, from the mid-line of the 

 abdomen to the anterior edge of the femur ; (b) abdomino-tergal, 

 from the anterior part of the mid-line of the abdomen to the deep 

 surface of the dorsal shield ; (c) ischio-tergal, from the tuber ischii 

 to the deep surface of the pelvic shield ; (d) pectoro-brachial, from 

 the mid-line of the pectoral region to the fascia on the inner 

 border of the arm ; (e) dorso-pectoral, from the integument over 

 the clavicular pectoral to the anterior angle of the dorsal shield ; 

 (f) from the angle of the mouth and the skin over the side of 

 the jaw to the lateral border of the dorsal shield as far as the 

 elbow ; (g) a similar and longer slip connected with the posterior 

 trapezius. In Dasypus villosus (22) the most important bundle, 

 which is probably platysmal in its natui-e, passes from the lower 

 part of the zygoma to the cephalic border of the first part of the 

 dorsal carapace and thence backwards as far as the fourth segment. 

 Another band passes fi'om the skull above the orbit to the head- 

 shield. In Dasypus sexcinctus (24), Cuvier and Laurillard figure 

 these zygomatic and occipital bundles, the former being, as in 

 villosus, much the larger of the two. The acromio-basilar of 

 Galton (23) is well-marked and passes from the skull anterior and 

 lateral to the occipital slip to the acromion process at its junction 

 with the spine. It lies wholly superficial to the trapezius, and is 

 clearly the same as Cuvier's portion cervicale du trapeze. 



In Clilamydopliorus (27) there is no connection between the 

 panniculus and the sphseroma ; the abdomino-humeralis is repre- 

 sented by a thin slip from the external aspect of the thigh to the 

 surface of the abdomen. Some fibres, which appear to be quite 

 separate from those of the trapezius, pass from over the scapula to 

 the cephalic shield, and these may probably be homologous with 

 the acromio-basilar of Dasypus. In the Manidce the panniculus 

 more closely resembles the more common mammalian arrangement. 

 The abdomino-humeralis is very thick and dorsally inseparable 

 from the dorso-humeralis, the two covering the outer side and 



