38 A. O. OUDEMANS. 
On the Left. On the Right. 
277 , : : : ; . 805 
361 ; ; . . ; . 336 
421 : ; ° : 5 » 423 
452 : : : : : . 462 
493 : t : ; : En 
554 . ‘ > 3 5 . 533 
599 4 : : : : . 603 
623 : : : 5 : . 620 
638 : ; A : ; . | \Gpe 
662 : : ; . ; . | eee 
684 i 5 ‘ : ; - 700 
697 : 3 i i i Fee 
719 : : : ; ‘ ot | G22 
736 ‘ 4 ; ; : . 738 
744 : : : ; “Doe 
765 : : : : : . 165 
776 : j : . Right side damaged. 
803 : : : ; : . 803 
838 : : : : : . 814 
874 : : ‘ . Right side damaged. 
885 A : . , . . 885 
912 : : : : ; . 903 
959 : ‘ ; : ; ae ae 
1010 : j : : ; . 1021 
1057 5 ; : : - . 1052 
1070 : 5 - . - - O70 
P 1090 
Probably the ducts run quite straight outwards ; this was to 
be seen especially in regard to the very small hindmost ducts, 
whilst the foremost, which were much larger, sometimes ran 
obliquely forwards, sometimes backwards, or were curved. 
Some of them had a small lumen, others a lumen which was 
visible through many sections, and locally dilated. As a rule, 
the ducts were smaller as they lay further backwards. If we 
reflect that the numbers I have given of the slices are those in 
which I at first saw anything of a duct, either its beginning, or 
aperture, or the knee of a crooked duct, then some irre- 
gularities in the arrangement of the ducts are already ex- 
plained. But let us take for a moment the two most remote 
