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Show 1882.] PROF. ST.-GEORGE MIVART ON THE ALUROIDEA. 497 The psoas magnus and iliacus are as in the Cat. The psoas parvus arises from the third, fourth, and fifth lumbar vertebrae, and (as in the Civet) is inserted into the pelvis by a very strong tendon. The pyriformis, gemelli, quadratus lumborum, quadratus femoris, and the obturators are as in the Cat. A muscle which I did not notice in the Cat exists in the Civet: it arises in front of and below a very distinct antero-posterior ridge on the dorsum of the ilium. It is called gluteus quartus by Professor Macalister. Another muscle, which answers to m y gluteus quartus in the Cat, is similarly conditioned to that of the Cat, both in Genetta and Viverra. It also exists in Crocuta. This muscle is called gluteus quintus by Professor Macalister. The plantaris arises, in the Genet, only from the external condyle of the femur and the adjacent sesamoid bone, and is (as also in the Civet) only slightly united with the external head of the gastrocnemius. It is inserted as usual. The gastrocnemius of the Genet has only three heads of origin- one from each femoral condyle and adjacent sesamoid, and one (mainly aponeurotic at its origin) from the fibula. There is no origin from the ligamentum patellae. The insertion is as usual. The soleus of the Civet is like that of the Cat. In the Genet it takes origin from the upper half of the fibula. Its insertion is as usual. It is wanting in Hyana striata and in Crocuta. The popliteus and tibialis anticus are both as in the Cat, and the same is the case with the Civet. In Crocuta it is double halfway down, the tendon of one part being inserted into the entocunei-forme, and that of the other into the rudimentary metatarsal of the hallux. The extensor longus digitorum of the Genet is like that of the Cat. In the Civet it gives origin to two main tendons, which subdivide to supply the four outer digits, the details of the subdivision varying in different individuals. In Hyana striata the muscle divides into two bellies and gives off five tendons. In Crocuta it seems to be single, and is said to give off no tendon to the digitus minimus. The extensor longus hallucis is absent in Crocuta and in the Cat. In the Civet it is slender, arises from the upper half of the margin of the fibula, and goes to the hallux only. In the Genet it is also slender and has a similar origin, but appears to end distally in an aponeurotic expansion extending dorsally on the hallux and index. The peroneus longus in the Civet and Genet is inserted into the fifth metatarsal as well as into the first metatarsal. In Crocuta and Hyana striata it is inserted into the fifth metatarsal only. The peroneus brevis and peroneus quiniti digiti are as in the Cat. The latter is wanting in Crocuta, but the former has two tendons. The extensor brevis digitorum of the Genet and Civet is much as in the Cat, but ends distally in an aponeurotic expansion rather than in quite distinct tendons. It goes to the four outer or to the four |