52 ONTCHIOP3IS. 



of the repeatedly branched stem is covered with small scaly 

 structures, reminding one of the rhizome of the Hare's-foot fern. 

 Some of the specimens are larger than that shown in the Figure, 

 but are not so clearly preserved ; in all cases there occur fragments 

 of 0. Mantelli fronds in close association with the branched scaly 

 structures. Ecclesbourne. Rufford Coll. 



Fig. 6 (V. 2189). Part of a rhizome of Onychiopsis Mantelli. (Natural size.) 



V. 709. Rachis shown very clearly. Til gate Forest. 



Purchased. 



V. 723. This fragment looks very like the terminal portion of 

 a fertile frond or pinna. Cf. Yokoyama, loc. cit. pi. ii. fig. 4 

 (0. elongata). Ecclesbourne. Rufford Coll. 



V. 10690. Distinct rachis. This specimen shows some pinnae 

 with long close- set pinnules very similar to those of 0. elongata. 

 Cf. V. 2371, PL II. Fig. 3. Cf. Thyrsopteris micropliylla, 

 Fontaine, loc. cit. pi. xlv. ; also T. sp., pi. xliii. Near Hastings. 



Rufford Coll. 



V. 1069J. Rhizome with associated fragments of pinnae. Eccles- 

 bourne. Rufford Coll. 



V. 2151*. Very similar to V. 2151, PL III. Fig. 2. 



V. 2151J. Portion of a well-preserved frond. Ecclesbourne. 



Rufford Coll. 



