(2.)  Large  compound  cells,  mother-cells  or  brood-cells,  which  in
typical  specimens  (Fig.  129,  a)  are  from  ^^  to  -g^  of  an  inch  in  dia-
meter, are  in  some  instances  very  numerous.  They  are  very  pale,  oval,
round,  or  tubular,  and  lie  in  clusters  :  some  of  them  display  a  lamellar
surface,  indicated  by  concentric  boundary-lines  ;  and  they  inclose  one
large  granular  nucleus,  or  several  of  smaller  size  imbedded  in  their
general  granular  contents,  or,  together  with  such  nuclei,  complete  nu-
cleated cells  like  cancer-cells.
'  But  the  observations  of  Sir  W.  J enner  (Proc.  of  Pathol.  Soc.  1851-52,  p.  323)
makp  it  probable  that  these  are  granules  of  phosphate  of  lime.
2  Luschlia,  in  Virchow's  Arckiv,  iv.  412.  '  In  Virchow's  Arrhiu,  iv.  203.
COLLOID  CANCER.
7Y1


(3.)  Large  laminated  spaces  (Fig.  129,  b)  are  also  found  of  nearly
ciystalline  clearness,  from  jTj-  to  -j-J-j-  of  an  inch  in  diameter.  These
are  usually  oval  and  grouped,  so  as  to  form  a  soft  parenchyma.
Between  the  lamellse  of  their  walls  elongated  nuclei  are  scattered  ;  in
the  interspaces  between  them  are  clusters  of  small  nucleated  cells  and
nuclei ;  and  they  inclose  brood-cells  in  the  cavities  surrounded  by  their
concentric  lamellae.
Fig.  129.
